Telecom Test 2

IEEE 802.11ac runs on which of the following two different frequency spectrums simultaneously? a. 2.4GHz and 5GHz b. 24GHz and 5GHz c. 11GHz and 54GHz d. 8GHz and 11GHz e. 2.4GHz and 11GHz

a. 2.4GHz and 5GHz

IPv4 uses ________ bytes per Internet address. a. 4 b. 32 c. 8 d. 24 e. 16

a. 4

IPv4 provides ___________ IP addresses. a. 4.3 billion b. 144 million c. 64 billion d. 3.14 billion e. 1 million

a. 4.3 billion

The IEEE designation for the type of wireless standard that uses both the 2.4 and 5 GHz range is __________. a. 802.11n b. 802.11a c. 802.3 d. 802.11b e. 802.11g

a. 802.11n

The ______ defines what type of packets should be routed and what types of packets should be discarded. a. ACL b. AFL c. TCP d. IOS e. OSI

a. ACL

Transmission Control Protocol/Internet Protocol was developed for ________ in 1974. a. ARPANET b. IBM c. Hewlett-Packard d. University of Minnesota e. Xerox

a. ARPANET

The backbone architecture layer that is closest to the users is the a. Access layer b. Distribution layer c. Core layer d. Privacy layer e. Switched layer

a. Access layer

_________ is a specially formatted request used to perform IP address to data link address resolution. a. Address Resolution Protocol b. Domain Service Request c. HTTP request d. Link state request e. Autonomous System Request

a. Address Resolution Protocol

___________ refers to the amount of data transmitted on a circuit. a. Circuit loading b. Leading edge deployment c. Capacity planning d. Calculating message volumes e. Requirements documentation

a. Circuit loading

Which of the following is a type of protocol that needs to be considered in technology design? a. Ethernet b. 10 Mbps c. 100 Mbps d. WAN e. SNA

a. Ethernet

WiGig is standardized as a. IEEE 802.11ad b. IEEE 802.11ac c. IEEE 802.11n d. IEEE 802.11g e. IEEE 802.11a

a. IEEE 802.11ad

VLANs prioritize traffic based on the ______. a. IEEE 802.1q standard b. IEEE 802.11 standard c. VLAN size d. multiswitch allocation e. switch dynamics

a. IEEE 802.1q standard

Which of the following is not true about 10/100 Ethernet? a. It is not a hybrid type of Ethernet. b. It provides flexibility for organizations that want to use both the 10Base-T and 100Base-T standards at the same time. c. 10/100 autosense hubs (and/or switches) are able to detect the signal transmitted by the client's NIC and use 10 Mbps or 100 Mbps, depending on what the client uses. d. Depending upon how it is configured, a 10/100 Ethernet NIC can run at either 10 Mbps or at 100 Mbps. e. It provides flexibility for organizations that are uncertain about which Ethernet standard to use in the short term.

a. It is not a hybrid type of Ethernet.

The network architecture component which enables users to access the network is the a. LAN b. building backbone c. campus backbone d. enterprise edge e. WAN

a. LAN

_____________ is the software that controls the network. a. Network Operating System b. Client Operating System c. Embedded Operating System d. Network Control System e. Network Software System

a. Network Operating System

Which of the following can provide fault tolerance for the storage space on a server? a. RAID b. SCSI c. IDE d. USB e. EIDE

a. RAID

RFP stands for: a. Request for Proposal b. Ring Fault Path c. Routing File Protocol d. Record Facsimile Program e. Redundant File Protocol

a. Request for Proposal

__________ is not an important consideration when network designers review old and new applications. a. Reviewing the NFL scores b. Reviewing the organization's possible changes in product mix c. Understanding the organization's strategic plans d. Understanding development plans for new uses of electronic commerce e. Reviewing the organization's projections of sales

a. Reviewing the NFL scores

___________ is the process of determining the path that a message will travel from sending computer to receiving computer. a. Routing b. Addressing c. Interfacing d. Broadcasting e. Packetizing

a. Routing

____ is the process of creating several logically separate servers on the same physical computer. a. Server virtualization b. Server optimization c. Server proliferation d. Server platforming e. Server redundancy

a. Server virtualization

_________ have no backbone cable. a. Switched backbones b. Cloud routed backbones c. Hubbed backbones d. Bridged backbones e. Multistation access unit backbones

a. Switched backbones

Which of the following is not true about switched Ethernet? a. The switch has a physical bus topology. b. It uses a switch instead of a hub. c. It has faster connections (almost immediate) than traditional Ethernet. d. It essentially provides a point-to-point connection between computers. e. It has forwarding tables in which entries are learned over time.

a. The switch has a physical bus topology.

Which of the following is true regarding switched backbones? a. They place all network devices for one part of the building physically in the same room, often in a rack of equipment b. They have an advantage of requiring less cable c. They make it more difficult to move computers from one LAN to another d. Network capacity is always tied to the physical location of the computers e. They are harder to maintain and upgrade than a BN that is not rack-based

a. They place all network devices for one part of the building physically in the same room, often in a rack of equipment

A second type of network that a wireless access point provides is a ______ that is secured by a separate password that is entered on a Web page when you first connect to the network. a. WI-LO network b. guest network c. transient network d. IEEE 802.temp e. IEEE 802.11guest

a. WI-LO network

Which of the following is not given to a client computer when it is first installed on a TCP/IP network so that it has the appropriate routing/addressing information? a. application layer address b. subnet mask c. its own IP address d. IP address of its DNS server e. IP address of a gateway, router, or a switch outside of its subnet

a. application layer address

How can a set of 802.11b access points be configured to operate without interference? a. assigning each access point a different channel to communicate with clients b. separate each access point by more than 10 meters c. assign the same channel to no more than two access points d. use omnidirectional antennas on some access points and directional on others. e. none of the above

a. assigning each access point a different channel to communicate with clients

A circuit that is filled almost to its capacity and thus is the critical point that determines whether users get good or bad response times is referred to as a(n) a. bottleneck b. building backbone c. breakneck d. congested network e. e-commerce edge

a. bottleneck

Nowadays, most organizations use a simpler approach to network design called the ___________ approach. a. building-block b. frame definition c. prototype d. systems development life cycle e. guided network

a. building-block

1000 Base-T: a. can run at either full- or half-duplex b. is one of the oldest forms of Ethernet c. is one of the slowest forms of Ethernet d. can only be used over coaxial cables e. has only one version, 1000Base-SLCX

a. can run at either full- or half-duplex

With QoS routing different __________ are defined, each with different priorities. a. classes of service b. domain names c. application layer addresses d. data link layer addresses e. classes of Internet addresses

a. classes of service

The biggest drawbacks to VLANs are their_________________. a. cost and management complexity b. size and contention c. contention and cost d. learning curve and contention e. speed and size

a. cost and management complexity

Which of the following are not costs that are generally considered during the cost assessment stage of the network design process? a. cost of advertising brochures for new products to be offered by an organization b. internetworking devices cost c. network management costs d. circuit costs e. software costs for network operating system

a. cost of advertising brochures for new products to be offered by an organization

__________ antennas project a signal in only one direction and are most often used on the inside of an exterior wall pointing to the inside of the building for security reasons. a. directional b. microware c. omnidirectional d. radio e. vertical

a. directional

There are some network modeling tools that can ________ the existing network. a. discover b. disassemble c. sensitize d. maintain e. implement

a. discover

The cheapest time to install network cabling is: a. during the construction of the building b. as soon as the building is completed c. as soon as the building is occupied d. about five years after the building is occupied so that the exact office locations for each network computer is known e. any time that a network needs to be installed

a. during the construction of the building

The _____ contains the servers that are designed to serve data to customers and suppliers. a. e-commerce edge b. SAN c. LAN d. domain controller e. bottleneck

a. e-commerce edge

Which of the following type of media is most commonly used in backbone networks because of its high capacity? a. fiber b. infrared frequencies c. coax cable d. unshielded twisted pair e. shielded twisted pair

a. fiber

A client computer is assigned a data link layer address is by: a. hardware manufacturers b. software manufacturers c. middleware manufacturers d. network managers who configure a file in a computer's network layer software package e. ISO

a. hardware manufacturers

Switches: a. learn addresses by reading the source and destination addresses b. operate at the physical layer only c. connect two ore more network segments that use different data link protocols d. connect two or more network segments that use different network protocols e. have become more popular than layer 2 switches

a. learn addresses by reading the source and destination addresses

Estimating the cost of a network is ______ complex than estimating the cost of one new piece of data processing hardware. a. much more b. much less c. about the same d. exactly the same e. a little more

a. much more

Which of the following is not a way in which network requirements, identified in the needs analysis of the network design process, are organized? a. non-necessary requirements b. wish list requirements c. desirable requirements d. mandatory requirements e. none of the above is an appropriate answer

a. non-necessary requirements

Many organizations today are installing traditional wired Ethernet for desktop users and install Wi-Fi as ______________. a. overlay networks b. Bluetooth c. cellular networks d. mobile networks e. Ethernet networks

a. overlay networks

Devices in a rack are connected together using ___________. a. patch cables b. string c. servers d. modules e. chassis switches

a. patch cables

The server version of the Network Operating System does not: a. provide the software that performs the functions associated with the physical layer b. provide the software that performs the functions associated with the data link layer c. provide the software that performs the functions associated with the application layer d. provide the software that performs the functions associated with the network layer e. usually provide the software that performs the functions associated with the computer's own operating system

a. provide the software that performs the functions associated with the physical layer

Routers: a. require more management than switches b. are not susceptible to time delays c. use data link layer addresses to move packets that leave the subnet d. require only a few set of TCP/IP addresses e. don't need much time to establish separate subnet addresses for each LAN

a. require more management than switches

Which of the following is not a way that a router differs from a switch? a. routers can connect two or more networks that use the same data link protocol b. routers only process messages that are specifically addressed to it c. routers operate at the network layer d. routers perform more processing on each message than switch e. routers can choose the "best" route between networks for forwarding a packet

a. routers can connect two or more networks that use the same data link protocol

The _____________ is used by a computer to determine how messages will travel through the network. a. routing table b. configuration listing c. linking loader d. bus header assignment list e. file allocation table

a. routing table

In __________, the network designer examines the available technologies and assesses which options will meet the users' needs. a. technology design b. needs analysis c. narrow and deep analysis d. cost assessment e. distribution layering

a. technology design

Which of the following is not a purpose for using hubs in a network? a. to act as a communications server b. to connect network cables c. to prevent attenuation d. to act as a junction box e. none of the above

a. to act as a communications server

To establish circuit loading, the designer usually starts with the: a. total characters transmitted per day on each circuit, or, if possible, the number of characters transmitted per two-second intervals if peaks must be met b. individual user training c. bus diameter, disk cache that is used at the server station d. channel bandwidth and baud rate used at each client e. local, trunk, IXC, DDD, and leased-line circuit bandwidth for each node

a. total characters transmitted per day on each circuit, or, if possible, the number of characters transmitted per two-second intervals if peaks must be met

A type of message that is used when sending a message from one computer to another computer is called a: a. unicast message b. multicast message c. broadcast message d. guided message e. radiated message

a. unicast message

Hubs: a. usually incorporate repeaters or amplifiers b. have connection points called handles c. limit the distance of a network to a few meters in length d. are a difficult method to connect network cables e. operate at the application layer

a. usually incorporate repeaters or amplifiers

The _____ address range is reserved for a computer to communicate with itself and is called the loopback. a. 121 b. 127 c. 239 d. 254 e. 111

b. 127

The older version of IP has a ________ header of control information. a. 128-bit b. 192-bit c. 1024-bit d. 160-bit e. 320-bit

b. 192-bit

802.11g is backward compatible with which type of LAN? a. 802.11a b. 802.11b c. 802.15 d. 802.3 e. 802.5

b. 802.11b

Which of the following is not a step under the traditional network design approach? a. An analyst develops cost estimates of the circuits needed to support the network. b. An analyst takes the traffic on the current network and then multiplies that by a factor of 3.65 to come up with the estimate of the total traffic for the new network. c. An analyst meets with users to identify user needs. d. An analyst develops a precise estimate of the amount of data that users will send and receive to estimate the total amount of traffic on each part of the network. e. An analyst designs the circuits to support the estimated traffic, allowing for modest growth.

b. An analyst takes the traffic on the current network and then multiplies that by a factor of 3.65 to come up with the estimate of the total traffic for the new network.

When TCP/IP translates an application layer address into an IP address, it sends a special __________ to the nearest DNS server. a. broadcast message b. DNS request packet c. SNA packet d. IPX message e. X.25 packet

b. DNS request packet

_____________ provide information about resources on the network that are available to the users, such as shared printers, file servers and application software. a. Network Services b. Directory Services c. Client Services d. Computing Services e. Remote Access Services

b. Directory Services

The _______ is the part of the backbone that connects the LANs together. a. Access layer b. Distribution layer c. Core layer d. Privacy layer e. Switched layer

b. Distribution layer

Which of the following would not be a type of circuit that needs to be considered when planning for technology design capacity? a. 1000 Mbps b. Ethernet c. 10 Mbps d. 100 Mbps e. 1 Gbps

b. Ethernet

The ping command uses the most basic interior routing protocol on the Internet, which is the: a. Border Gateway Protocol b. Internet Control Message Protocol c. Routing Information Protocol d. Enhanced Interior Gateway Routing Protocol e. Open Shortest Path First

b. Internet Control Message Protocol

Which of the following is not true about CSMA/CD? a. The acronym refers to Carrier Sense Multiple Access with Collision Detection b. It is used in token ring protocol LANs c. It is a contention-based media access control technique d. When a collision has occurred, the computers that wish to transmit wait a random amount of time after a colliding message before attempting to retransmit e. Computers on the circuit 'listen' before transmitting

b. It is used in token ring protocol LANs

LAN bottlenecks are usually found at the: a. data entry keyboard and client video monitors b. LAN server and network circuit c. hub repeaters and transducer circuit modules d. client operating system and diskette drive e. client hard drive and processor

b. LAN server and network circuit

___________ is how the network works conceptually. a. Physical topology b. Logical topology c. Network topology d. Ethernet e. Media access control

b. Logical topology

Which of the following is not a basic LAN component? a. client b. PAD c. server d. network interface card e. network operating system

b. PAD

Which of the following is not true about layer-2 switched Ethernet? a. A switch replaces the hub. b. The physical topology is the same as the physical topology of shared Ethernet: a ring. c. The logical topology is a star. d. The switch uses a forwarding table to route the packet to the correct circuit/computer. e. The switch chooses which packet to transmit first if it receives more than one packet destined for the same computer at the same time, and stores the other packet(s) temporarily.

b. The physical topology is the same as the physical topology of shared Ethernet: a ring.

A _____________ type of BN is a new type of LAN/BN architecture made possible by intelligent, high speed switches that assign computers to LAN segments via software, rather than by hardware. a. Bridged backbone b. Virtual LAN c. Hubbed backbone d. Collapsed backbone e. Routed backbone

b. Virtual LAN

Which of the following is a fundamental backbone network architecture? a. Bridged backbone b. Virtual LAN c. Hubbed backbone d. Gatewayed backbone e. Virtual backbone

b. Virtual LAN

Gaining an understanding of the current application system and messages provides a _________ against which future design requirements can be gauged. a. backplane b. baseline c. turnpike document d. wish list e. RFP

b. baseline

The network architecture component that is sometimes referred to as the distribution layer is the a. LAN b. building backbone c. campus backbone d. enterprise edge e. WAN

b. building backbone

The type of logical topology that Ethernet uses is a: a. ring b. bus c. star d. mesh e. interconnected

b. bus

A TCP connection is established in the ___________ routing method. a. asynchronous b. connection-oriented c. frequency division d. application net e. connectionless

b. connection-oriented

A _________ is a group of related resources. a. workgroup b. domain c. server d. client e. sharepoint

b. domain

A switch uses a _____________ that is very similar to a routing table used in a router. a. cable plan b. forwarding table c. network server d. reversing table e. switching mullion

b. forwarding table

Wired Ethernet is a _______________ technology for small SOHO devices, meaning that manufacturers are no longer creating new products. . a. host b. legacy c. caching d. hub e. peak

b. legacy

Which of the following is not a key deliverable for the cost assessment step? a. RFP b. list of wish list requirements c. revised physical network diagram d. business case, defined in business objectives and business language, that supports the network design e. none of the above is an appropriate choice

b. list of wish list requirements

Associated with a switched backbone, MDF is an acronym for: a. multi-station device foundation b. main distribution facility c. manual data frequency d. multiplexer downstream flow e. maximum data facility

b. main distribution facility

A special type of message that is used when sending the same message to a specific group of computers is called a: a. unicast message b. multicast message c. broadcast message d. guided message e. radiated message

b. multicast message

The building block design approach is sometimes called: a. wide and shallow b. narrow and deep c. wide and deep d. narrow and shallow e. narrow and flat

b. narrow and deep

In __________, the network designer attempts to understand the fundamental current and future network needs of the various users, departments, and applications. a. technology design b. needs analysis c. narrow and deep analysis d. cost assessment e. distribution layering

b. needs analysis

TCP/IP: a. is the least commonly used network protocol for LANs because it cannot be combined with Ethernet b. performs packetizing, as well as routing and addressing functions c. is not very efficient and is prone to errors d. is compatible with only one type of data link protocol, SDLC e. refers to Telephone Control Procedures/Inter-exchange Procedures

b. performs packetizing, as well as routing and addressing functions

Another name for distributed coordination function (DCF) is __________. a. distributed carrier sense method b. physical carrier sense method c. physical carrier sense mode d. distributed carrier sense mode e. distributed coordination mode

b. physical carrier sense method

Each of the circuits connected to a switch is a separate _______________ circuit connecting the switch to a device on the network. a. multipoint b. point-to-point c. shared d. ring e. star

b. point-to-point

Assume that more than one application program is using the same communications line on a particular computer. To be able to decide to which application program a message should be delivered on this computer, TCP/IP relies on the: a. data link layer address b. port address c. application layer address d. network address e. IP address

b. port address

The traditional network design approach does not work well for _________ networks. a. slowly evolving b. rapidly growing c. static d. modestly growing e. not growing

b. rapidly growing

In its simplest form, the __________ has two columns: the first column lists every computer and device in the network, while the second column lists the computer or device to which that computer should send messages, if they are destined for the computer in the first column. a. linking loader b. routing table c. configuration listing d. bus header assignment list e. file allocation table

b. routing table

Breaking a network into smaller parts is called network: a. fragmentation b. segmentation c. localization d. allocation e. mitigation

b. segmentation

TCP uses _____________ so that the destination station can reassemble the packets into the correct order. a. IP addresses b. sequence numbers c. port numbers d. packet numbers e. reassembly value

b. sequence numbers

A(n) ________ refers to a group of computers that are logically grouped together by IP number. a. IPv6 group b. subnet c. data link group d. TCP group e. application net

b. subnet

Most backbone devices are store-and-forward devices. One simple way to improve performance is to ensure that they have ________________. a. enough ports b. sufficient memory c. twisted pair connections d. large wheels e. IEEE 802.11

b. sufficient memory

In needs analysis: a. a great deal of the work has probably never been done b. the goal is to understand what users and applications the network will support c. the geographic scope is not an important consideration d. a baseline of current operations is not important e. the rate of growth of network traffic is not an issue

b. the goal is to understand what users and applications the network will support

The ____________ layer links the application layer with the network layer is responsible for end-to-end delivery of messages. a. physical b. transport c. session d. presentation e. data link

b. transport

To increase the volume of simultaneous messages the LAN circuit can transmit from network clients to the server(s), you can: a. increase the CPU of the server b. upgrade to a bigger circuit c. increase the number of hard disks on the server d. increase the amount of disk capacity of the server e. increase the amount of memory of the server

b. upgrade to a bigger circuit

An application layer address using TCP/IPv4 looks like: a. 128.192.78.5 b. www.cba.uga.edu c. [email protected] d. 00-0F-00-81-14-00 e. Building 4, Room 2, User 3

b. www.cba.uga.edu

________ is a hybrid version of Ethernet that uses either 10Base-T or 100Base-T. a. Mullion Ethernet b. Base-T Ethernet c. 10/100 Ethernet d. Token ring Ethernet e. FDDI Ethernet

c. 10/100 Ethernet

How many channels does the 802.11ac standard provide for communication between the access point and clients? a. 4 b. 6 c. 8 d. 11 e. 2

c. 8

According to one rule of thumb, ______ percent of circuit loading information is easy to gather. a. 50 b. 25 c. 80 d. 19 e. 20

c. 80

Which of the following is not a WLAN standard? a. 802.11ac b. 802.11a c. 802.3 d. 802.11b e. 802.11g

c. 802.3

_________created a service that allows organizations to transfer IPv4 addresses they don't need to another organization. a. TCP/IP b. ARPANET c. ARIN d. AIS e. OSPF

c. ARIN

CSMA/CA is an acronym for: a. Carrier Sense Multiple Access with Collision Acknowledgment b. Carrier Sense Mode Access with Carrier Avoidance c. Carrier Sense Multiple Access with Collision Avoidance d. Carrier Sensory Multiple Access without Collision Acknowledgment e. Carrier Sense Multiple Acknowledgment with Collision Avoidance

c. Carrier Sense Multiple Access with Collision Avoidance

______________ routing is most commonly used when the application data or message can fit into one single packet. a. Frame-oriented b. Connection-oriented c. Connectionless d. Physical-oriented e. Byte-oriented

c. Connectionless

The _________ is the part of the backbone that connects the different backbones together. a. Access layer b. Distribution layer c. Core layer d. Privacy layer e. Switched layer

c. Core layer

Ethernet LAN was developed by: a. IBM b. ARPANET c. DEC, Xerox, and Intel d. University of Minnesota e. CERN laboratory in Geneva

c. DEC, Xerox, and Intel

__________ is an estimate of the highest data volume on a link. a. Data mode b. Backplane load c. Peak circuit traffic d. Leading edge data flow e. Circuit transfer

c. Peak circuit traffic

___________ is the translation of application layer addresses into IP addresses. a. Network interface card reversal b. IPv6 c. Server name resolution d. Subnet masking e. Name service coding

c. Server name resolution

____________ refers to the type of routing in which the routing table is developed by the network manager and modifications are made only when computers are added to or removed from the network. a. Adaptive routing b. Dynamic routing c. Static routing d. Distance vector routing e. Link state routing

c. Static routing

One drawback to dynamic routing is: a. Routing usually does not reflect changing network conditions, such as computers that are overloaded by many messages b. It cannot be used with non-government networks c. The transmission of status information "wastes" network capacity that could be used to send user messages d. It is the job of the network manager, not the computers or devices themselves, to maintain the routing table. e. It requires less processing by each computer than static routing.

c. The transmission of status information "wastes" network capacity that could be used to send user messages

Which of the following would be least effective in improving backbone performance? a. improving the computers in the network b. changing the demand placed on the network c. adding new keyboards to the client computers d. upgrading the circuits between computers e. improving devices in the network

c. adding new keyboards to the client computers

ICANN: a. developed the IPX/SPX network layer protocol b. assigns data link layer addresses c. approves which network layer addresses (usually, approved or assigned in groups or classes) can be used by an organization for its computers that will connect to the Internet d. developed X.25 network layer protocol e. refers to Interchange Computer Addressing Networks and Nodes

c. approves which network layer addresses (usually, approved or assigned in groups or classes) can be used by an organization for its computers that will connect to the Internet

A special type of message that is used when sending the same message to all computers on a specific LAN or subnet is called a: a. unicast message b. multicast message c. broadcast message d. guided message e. radiated message

c. broadcast message

The network architecture component which contains the organization's servers is called the a. LAN b. building backbone c. data center d. enterprise edge e. WAN

c. data center

Which of the following is not a technology layer that is considered when designing backbone networks? a. access layer b. distribution layer c. decentralized layer d. core layer e. none of the options

c. decentralized layer

With ________ routing, computers or routers count the number of hops along a route and periodically exchange information on the hop count with their neighbors. a. circuitous b. decentralized c. distance vector d. indirect e. link state

c. distance vector

Which of the following is not a type of hardware device that can be used to interconnect networks? a. layer 3 switches b. routers c. dumb terminals d. layer 2 switches e. all of the above can be used

c. dumb terminals

Network demand will not be reduced by: a. restricting (or moving) applications such as desktop videoconferencing b. using network devices to ensure that broadcast messages do not go to other networks c. encouraging the use of applications such as medical imaging d. sending status information to all computers on all LANs in the backbone network e. restricting (or moving) applications such as multimedia

c. encouraging the use of applications such as medical imaging

A(n) ____________ allows many users to share the same set of files on a common, shared disk drive. a. print server b. database server c. file server d. piconet server e. remote access server

c. file server

A hierarchical tree of domains within one organization that is linked to other trees in the organization is called a ___________. a. ADS b. domain c. forest d. tree e. NDS

c. forest

Which of the following is a mode in which a switch operates: a. fast learning switching b. routing switching c. fragment-free switching d. store switching e. cut switching

c. fragment-free switching

The newer form of IP, version 6 (Ipv6): a. Is running out of address space to support the growth of the Internet b. has a 20 byte header c. has an increased address size from 32 bits to 128 bits d. does not include version number in its header e. does not include hop limit in its header

c. has an increased address size from 32 bits to 128 bits

When a computer transmits at the same time because it cannot sense that another computer on the WLAN is currently transmitting is referred to as the: a. out of range problem b. collision problem c. hidden node problem d. controlled access problem e. media access problem

c. hidden node problem

Which of the following is not a step used in newer types of network design processes? a. cost assessment b. technology design c. implementation d. needs analysis e. none of the above is a correct answer

c. implementation

Of the following, which is not true about fiber optic cable? a. it is thinner than unshielded twisted pair cable b. it is lighter than unshielded twisted pair cable c. it has a very low capacity d. it is more expensive than CAT5 unshielded twisted pair cable e. it is a type of guided media

c. it has a very low capacity

IP addresses from 224 to 239 belong to Class D and are reserved for a. the government b. ISPs c. multicasting d. broadcasting e. private networks

c. multicasting

A __________ indicates what resources on each server are available on the network for use by other computers and what people are allowed what access to the network. a. user profile b. user access log c. network profile d. network operating system e. server allocation list

c. network profile

__________ antennas transmit the signal in all directions. a. directional b. microware c. omnidirectional d. radio e. vertical

c. omnidirectional

Computers can be assigned to a VLAN based on the ________. a. IEEE 802.1q standard b. NIC interface c. physical port on the switch d. IEEE 802.3 standard e. physical location of the computer

c. physical port on the switch

__________ is not an important function of the transport layer. a. end-to-end delivery of the message b. taking messages from the application layer c. routing d. breaking long messages into smaller packets e. interfacing with the network layer

c. routing

An advantage of centralized routing is: a. routing does reflect changing network conditions, such as computers that are overloaded by many messages b. if anything happens to the computer developing the routing table, the routing tables cannot be changed until that computer is fixed, or until a new computer is selected to perform the function c. routing decisions are simple d. the routing tables are stored at all computers in the network e. it requires more processing by each computer or router in the network than dynamic routing

c. routing decisions are simple

A ___ has a set of high-speed storage devices and servers that are networked together using a very high speed network. a. wide area network b. local area network c. storage area network d. storage server e. local area storage WAN

c. storage area network

Once the needs have been defined in the logical network design, the next step is to develop a(n) __________. a. application b. baseline c. technology design d. turnpike design e. backplane design

c. technology design

Which of the following is not determined by a site survey? a. feasibility of the desired coverage b. potential sources of interference c. the security of the WLAN d. estimated number of access points needed to provide coverage e. current locations of the wired network into which the WLAN will connect.

c. the security of the WLAN

Which of the following is not true about switched backbones? a. performance is improved over traditional (bridged or routed) backbone networks b. each connection into the switch is a separate point-to-point circuit which supports simultaneous access by the LANs connected to the switch c. there are many more networking devices in a switched backbone network d. if the switch fails, so does the entire backbone network e. the backbone essentially exists in the switch; there is no backbone cable

c. there are many more networking devices in a switched backbone network

A _________ results when a network is used to a greater extent than was originally anticipated by the network designer. a. leading edge data flow b. circuit load c. turnpike effect d. protocol volume e. capacity plan

c. turnpike effect

Switched backbone networks: a. always use a ring topology b. are the least common type of BN used in one building c. use a star topology with one device, usually a switch d. have a great deal of cable in their backbones e. tend to have less cable, but more network devices

c. use a star topology with one device, usually a switch

_____________ refers to practice of writing symbols in chalk on sidewalks and walls to indicate the presence of an unsecured WLAN. a. wardriving b. chalking c. warchalking d. marking e. identifying

c. warchalking

The source destination port identifier tells the destination station _____________. a. which computer sent the TCP packet. b. which application layer program that the packet should be sent c. which application layer process the packet is from. d. the IP address of the source computer. e. the IP address of the destination computer.

c. which application layer process the packet is from.

A(n) _____________ is used in a computer to connect it to a WLAN. a. Ethernet NIC b. antennae c. wireless NIC d. access point e. hub

c. wireless NIC

IPv6 is based upon _________ -byte addresses. a. 32 b. 24 c. 4 d. 16 e. 8

d. 16

A typical TCP packet has a _______ header of control information. a. 32-bit b. 64-bit c. 160-bit d. 192-bit e. 32-byte

d. 192-bit

A subnet mask of ___________ means that all computers with only the same first two bytes in their IPv4 addresses are on the same subnet. a. 11111111.0.0.0 b. 255.255.255.0 c. 255.0.0.0 d. 255.255.0.0 e. 255.255.255.255

d. 255.255.0.0

How many channels does 802.11g provide for communication with clients, a. 20 b. 12 c. 10 d. 3 e. 8

d. 3

The maximum data rate of a an 802.11ad WLAN is a. 24 Mbps b. 36 Mbps c. 11 Mbps d. 54 Mbps e. 9 Mbps

d. 54 Mbps

The maximum data rate of an 802.11g WLAN is a. 24 Mbps b. 36 Mbps c. 11 Mbps d. 54 Mbps e. 9 Mbps

d. 54 Mbps

Which of the following standards is backward compatible with IEEE802.11a, b, and g? a. 802.11a b. 802.11b c. 802.11g d. 802.11n e. 802.15

d. 802.11n

A majority of routers use the following operating system: a. Windows 95 b. Red Hat Linux c. Windows Server 2008 d. Cisco Internetwork Operating System e. Linksys OSI System

d. Cisco Internetwork Operating System

Which of the following is not contributing to the dramatic increase in network traffic today? a. Video applications on networks are becoming common. b. Electronic mail is now used by most people who work in organizations. c. Web searches are now commonly performed by network users. d. Client computers today can have 2GB of RAM, a 300 GB hard drive, and 2 Ghz processors. e. Multimedia applications on networks are becoming common.

d. Client computers today can have 2GB of RAM, a 300 GB hard drive, and 2 Ghz processors.

_____________ routing is a method of routing in which each packet makes its own way through the network. a. Frequency division b. Connection-oriented c. PCMCIA d. Connectionless e. Application net

d. Connectionless

UDP is not commonly used for: a. network management control messages b. RIP messages c. DHCP addressing messages d. HTTP requests e. routing control messages

d. HTTP requests

Which of the following is not true about network design? a. In designing LAN networks, network designers tend to err on the side of building too big a network b. In designing BN networks, network designers tend to err on the side of building too big a network c. In designing WAN networks, network designers tend to err on the side of building too small a network d. In designing LAN networks, network designers tend to err on the side of building too small a network e. In designing MAN networks, network designers tend to err on the side of building too small a network

d. In designing LAN networks, network designers tend to err on the side of building too small a network

IGMP refers to: a. Internet Giga Memory Parameters b. Interchange Group Management Parameters c. Internet Guided Meta Protocol d. Internet Group Management Protocol e. Interchange Guided Meta Protocol

d. Internet Group Management Protocol

Which of the following is not a component of a router? a. CPU b. Interface c. Memory d. Keyboard e. Port

d. Keyboard

_______________ is a type of dynamic routing. a. Static routing b. Circuitous routing c. Centralized routing d. Link state e. X.25 routing

d. Link state

With _____________, the AP permits the owner to provide a list of valid addresses that can connect. a. EAP. b. SSID c. WEP d. MAC address filtering e. SWEP

d. MAC address filtering

sing ______ capabilities, network managers can connect VOIP phones directly into a VLAN switch and configure the switch to reserve sufficient network capacity so that they will always be able to send and receive voice messages. a. backbone b. switched c. routed d. QoS e. access

d. QoS

_________ move packets along the backbone based on their network layer address. a. Bridged backbones b. Hubbed backbones c. Multistation access unit backbones d. Routed backbones e. NIC backbones

d. Routed backbones

________ is used to model the behavior of the planned communication network once the proposed network map is complete. a. Implementation b. Post-implementation review c. Documentation d. Simulation e. Training users

d. Simulation

A __________ type of BN has a star topology with one device, such as a switch, at its center. a. Bridged backbone b. Virtual LAN c. Hubbed backbone d. Switched backbone e. Routed backbone

d. Switched backbone

The negotiation by the transport layer at the sender with the transport layer at the receiver to determine what size packets should be set up is done via establishing a(n) ___________ between the sender and receiver. a. network layer address resolution b. one way handshake c. SNA message d. TCP connection e. DNS server request

d. TCP connection

_______ is the dominant network protocol today. a. SDLC b. SNA c. IPX/SPX d. TCP/IP e. X.25

d. TCP/IP

A(n) ___________ is a radio transceiver that plays the same role as a hub or switch in a wired network and connects the WLAN to the wired network. a. Ethernet NIC b. antennae c. wireless NIC d. access point e. hub

d. access point

Which of the following is not an effective way to reduce LAN network demand: a. move files to client computers b. use disk caching on the client machines c. find an application that places a large demand on the network and run it a time when the network is lightly loaded d. add hidden nodes e. shift the users' routines

d. add hidden nodes

The large network purchases are done: a. before the vendor(s) are selected b. before the RFP is sent out c. after the RFP is sent out, but before the vendor(s) are selected d. after the vendor(s) are selected e. after the network has been implemented

d. after the vendor(s) are selected

When TCP/IP translates a network layer address into a data link layer address, it sends a special ____________ to all computers in the subnet. a. physical layer packet b. multicast message c. X.25 message d. broadcast message e. application layer packet

d. broadcast message

Estimating the size and type of the "standard" and "advanced" network circuits is called _________. a. needs categorization b. turnpike design c. cost assessment d. capacity planning e. soliciting RFPs

d. capacity planning

A(n) _____________ is not a common type of dedicated server. a. file server b. print server c. database server d. collision server e. remote access server

d. collision server

Media access control refers to: a. the price of fiber optic cable b. security over floppy disks in a user environment c. the ability for a user to use multimedia equipment in a LAN d. controlling access to a media by more than one computer in a LAN e. the control over coax cable installed by a cable service provider

d. controlling access to a media by more than one computer in a LAN

In __________, the network designer considers the relative cost of the technologies. a. technology design b. needs analysis c. narrow and deep analysis d. cost assessment e. distribution layering

d. cost assessment

The ___________ is where the organization housing its primary servers. a. MDF b. guest house c. SOHO network d. data center e. load balancer

d. data center

Which of the following is not a main item for which network designers estimate costs for the proposed network? a. software b. hardware c. purchasing and installing circuits d. ergonomic chairs for users e. circuits provided by common carriers

d. ergonomic chairs for users

Which of the following is a way to sell the network proposal to management? a. talk about upgrades from 10Mbps to 100Mbps b. give many details about using routers vs. gateways for a particular connection c. concentrate on a discussion about token ring vs. Ethernet protocol d. focus on the growth in network use e. discuss SNA architecture

d. focus on the growth in network use

Routers: a. operate at the application layer b. operate only at the physical layer c. cannot connect two or more networks that use the same type of cable d. may also be called TCP/IP gateways e. operate only at the data link layer

d. may also be called TCP/IP gateways

The transport layer must break messages from the application layer into several _____ that can be sent to the data link layer. a. bits b. bytes c. frames d. packets e. strings

d. packets

IP: a. performs packetizing functions b. does not have a header c. is currently in use with only one packet form or structure d. performs routing functions e. performs error control functions

d. performs routing functions

A logical bus topology: a. is always used by token ring protocol LANs b. has all computers connected to each other in point-to-point connections c. is limited to short distances since devices like a hub or repeater cannot be used with this type of topology d. permits every message to be received by every computer on the bus, even when those messages are intended for other computers e. has a central control device, such as a mainframe

d. permits every message to be received by every computer on the bus, even when those messages are intended for other computers

10/100 Ethernet: a. uses 100 Mbps throughout the entire network b. is not useful in the short run for organizations that are uncertain about which Ethernet standard to use c. uses 10 Mbps throughout 100% of the entire network d. provides traditional 10 Mbps Ethernet connections to client computers utilizing traditional 10Base-T, with 100 Mbps generally used to the server e. uses 10 Gbps throughout 100% of the entire network

d. provides traditional 10 Mbps Ethernet connections to client computers utilizing traditional 10Base-T, with 100 Mbps generally used to the server

Circuit capacity on a backbone network will not be improved by: a. going from 100Base-T Ethernet to 10Base-T Ethernet b. going from 100Base-T Ethernet to gigabit Ethernet c. adding additional circuits alongside heavily used ones d. replacing a shared circuit backbone with a switched circuit backbone e. providing a faster circuit to the server

d. replacing a shared circuit backbone with a switched circuit backbone

Which of the following is not included in the key deliverable for the needs assessment stage, the set of logical network diagrams? a. applications of the proposed network b. servers in the proposed network c. circuits in the proposed network d. specific routers that have been chosen to implement the proposed network e. clients in the proposed network

d. specific routers that have been chosen to implement the proposed network

In the technology design stage of network design, a. the fundamental technology/protocols to be chosen have no relationship with the circuit capacity b. the decision for fundamental technology/protocols can be made without considering circuit capacity c. the decision for circuit capacity can be made without considering fundamental technology/protocols d. the decisions for fundamental technology/protocols and circuit capacity are interrelated e. the decision for fundamental technology/protocols and/or circuit capacities is not made at this stage

d. the decisions for fundamental technology/protocols and circuit capacity are interrelated

Device performance on a backbone network will not be improved by: a. using the same protocols in the backbone and the LANs b. using static routing in low to moderate traffic conditions c. ensuring that backbone devices have sufficient memory so that packets do not have to be retransmitted by the sender d. translating packets from one protocol to another as they enter the BN e. none of the options

d. translating packets from one protocol to another as they enter the BN

Which of the following is not true about multiswitch VLANs? a. Several switches are used to build a VLAN b. The switches in the VLAN can send packets among themselves in a way that identifies the VLAN to which the packet belongs. c. In some multi-switch VLANs, the Ethernet packet is modified based on the emerging IEEE 802.1q standard. d. In some multi-switch VLANs, a new VLAN packet encapsulates the Ethernet packet. e. All of the above are true statements.

e. All of the above are true statements

Server name resolution is done using the: a. Address Resolution Protocol b. Border Gateway Protocol c. Internet Control Message Protocol d. Routing Information Protocol e. Domain Name Service

e. Domain Name Service

__________ is not true with respect to network hubs. a. Each port in a hub has a unique number. b. A good network plan includes hubs in areas, such as a telecommunications wiring closet, in which a network may expand c. Simple hubs are commonly available in 4-, 8-, 16-, and 24-port sizes d. Many hubs act as repeaters or amplifiers e. Hubs provide a complicated way to connect network cables

e. Hubs provide a complicated way to connect network cables

A subnetted or hierarchical backbone can also be called: a. Bridged backbone b. Virtual LAN c. Hubbed backbone d. Collapsed backbone e. Routed backbone

e. Routed backbone

_________ is not a type of Ethernet specification. a. 100Base-T b. 10GbE c. 1000Base-T (1GbE) d. 10Base-T e. Securenet

e. Securenet

Which of the following is not making the traditional design approach less appropriate for today's networks? a. The underlying technology of networking devices is changing very rapidly b. The underlying technology of client and server devices is changing very rapidly c. The underlying technology of circuits is changing very rapidly d. Growth in network traffic is very high e. The most expensive part of any network is the hardware

e. The most expensive part of any network is the hardware

Which of the following is not true about Layer-3 switches? a. They switch messages based on their IP address. b. They can be used in place of routers. c. They function faster than routers. d. They have more simultaneously active ports than routers. e. They can only switch messages based on their data link layer addresses.

e. They can only switch messages based on their data link layer addresses.

Which of the following is not true about backbone networks? a. They may also be called enterprise networks if they connect all networks within an organization. b. They typically connect many networks, including LANs. c. They typically provide connections to other BNs, WANs, MANs, and the Internet. d. They may also be called campus networks if they connect many BNs spanning several buildings as a single location. e. They tend to use lower speed circuits than LANs.

e. They tend to use lower speed circuits than LANs.

Which of the following is not a protocol used at the application layer. a. HTTP b. SMTP c. FTP d. Telnet e. UDP

e. UDP

Which of the following is false about staff costs for a network? a. The most expensive part of the network today is the staff who design, operate, and maintain it b. The emphasis is on network designs that reduce staff time needed to operate them c. Network staff are often required to learn to operate a variety of devices d. Network staff are often required to maintain a variety of devices e. When a variety of devices are used in a network, it takes less time to perform network management activities

e. When a variety of devices are used in a network, it takes less time to perform network management activities

10Base-T: a. supports 10 Mbps data rate b. is inexpensive c. runs on twisted pair d. is more dominant than token ring e. all of the answers are correct

e. all of the answers are correct

Which of the following is not a potential bottleneck for LAN performance? a. number and speed of hard disks in the server b. amount of memory in the server c. speed of server's CPU d. network interface card e. all of the answers are potential bottlenecks for LAN performance

e. all of the answers are potential bottlenecks for LAN performance

Which of the following is not an example of identifying protocols that are needed to support hardware and software requirements of applications that will use the network? a. an application will use HTTP over TCP/IP b. an application will run on an IBM mainframe and so the network will require SNA traffic c. an application will need a gateway to translate SNA traffic into TCP/IP protocols d. an application will use SPX/IPX with a Novell file server e. an application will have drop down menu choices

e. an application will have drop down menu choices

Dynamic addressing: a. assigns a permanent network layer address to a client computer in a network b. makes network management more complicated in dial-up networks c. has only one standard, bootp d. is always performed for servers only e. can solve many updating headaches for network managers who have large, growing, changing networks

e. can solve many updating headaches for network managers who have large, growing, changing networks

The three fundamental approaches to routing are: a. circuitous, flat, and direct routing b. connectionless, static, and connection-oriented c. subordinate, master, and insubordinate routing d. host, client, and client-server routing e. centralized, static routing, and dynamic routing

e. centralized, static routing, and dynamic routing

Which of the following would not be part of an "ideal" backbone design for the future? a. access layer composed of 10/100 layer 2 Ethernet switches b. distribution layer composed of layer 3 Ethernet switches of 100 (or 1000) Base-T c. redundant switches d. core layer composed of layer 3 Ethernet switches running 10 (or 40) GbE over fiber e. coax cabling throughout LANs and BN

e. coax cabling throughout LANs and BN

The network architecture component that is a special LAN with a group of servers that enables electronic data exchange of between the organization and the external entities it does business with is called the a. LAN b. building backbone c. data center d. enterprise edge e. e-commerce edge

e. e-commerce edge

To estimate costs for large network purchases, organizations often: a. purchase all network purchases 'off the shelf' b. obtain 'book value' information for the existing network from the accounting department c. ask other users what they paid for their network bought in the past d. multiply old network costs by a factor of 3 e. issue an RFP to vendors

e. issue an RFP to vendors

The ________ acts as a router at the front of the server farm. a. load router b. MDF c. Layer 2 switch d. front-end loader e. load balancer

e. load balancer

The goal of the needs analysis step is to produce a ___________, or a statement of the network elements necessary to meet the needs of the organization. a. building block b. access layer c. core layer d. cost assessment e. logical network design

e. logical network design

With a switched backbone network, the equipment is usually placed in a ______. a. server b. NIC c. cabinet d. basement e. rack

e. rack

If your LAN server is overloaded, which of the following should you not consider (to solve the server problem)? a. adding one or more additional servers b. upgrading the server's CPU with a faster CPU c. increasing the amount of memory of the server d. increasing the number and speed of hard disks in the server e. replacing the cable with fiber optic cable

e. replacing the cable with fiber optic cable

A _____________ type of BN segments (each of which has a special set of subnet addresses that can be managed by different network managers) each part of the network connected to the backbone. a. bridged backbone b. virtual LAN c. hubbed backbone d. collapsed backbone e. routed backbone

e. routed backbone

Which of the following is not an advantage of using Cat5 unshielded twisted pair for cabling LANs? a. cost (relative to fiber) b. thickness (relative to coax) c. weight (relative to coax) d. flexibility (relative to coax) e. security (relative to fiber)

e. security (relative to fiber)

Which of the following is not an example of a building block used in technology design? a. typical application b. typical user c. high traffic application d. standard network circuit e. specifications for a particular lighting fixture in the network operating center

e. specifications for a particular lighting fixture in the network operating center

Switch-based Ethernet: a. uses a hub to connect computers b. has a physical topology of a ring c. has a logical topology of a ring d. has a logical topology of a bus e. usually enables all attached circuits to send or receive packets simultaneously

e. usually enables all attached circuits to send or receive packets simultaneously