Networking Basics Final Exam Study
(7.5 Module Quiz - Ethernet Switching) What is the special value assigned to the first 24 bits of a multicast MAC address transporting an IPv4 packet? 01-5E-00 01-00-5E FF-FF-FF FF-00-5E
01-00-5E
(2.9 Module Quiz - Basic Switch and End Device Configuration) To what subnet does the IP address 10.1.100.50 belong if a subnet mask of 255.255.0.0 is used? 10.1.0.0 10.1.100.32 10.0.0.0 10.1.100.0
10.1.0.0
(5.1 Binary Number System) Which of the following is the binary equivalent to the 172.16.31.30 IP address? 11000000.00010000.00011111.00011110 10101000.00010000.00011111.00011110 10101100.00010000.00011110.00011110 10101100.00010000.00011111.00011110
10101100.00010000.00011111.00011110
(5.1 Binary Number System) Which is the binary equivalent to the 192.168.11.10 IP address? 11000000.11000000.00001011.00001010 11000000.10101000.00001011.00001010 11000000.10101000.00001010.00001011 11000000.10101000.00001011.00010010
11000000.10101000.00001011.00001010
(5.2 Hexadecimal Number System) Which of the following is the decimal equivalent of 7D? 124 125 126 127
125
(5.3 Module Quiz - Number Systems) How many binary bits exist within an IPv6 address? 256 64 48 32 128
128
(7.5 Module Quiz - Ethernet Switching) What are the two sizes (minimum and expected maximum) of an Ethernet frame? (Choose two.) 1518 bytes 56 bytes 1024 bytes 64 bytes 128 bytes
1518 bytes 64 bytes
(5.2 Hexadecimal Number System) Which is the decimal equivalent of A9? 168 169 170 171
169
(5.3 Module Quiz - Number Systems) How many bits are in an IPv4 address? 64 32 256 128
32
(6.3 Data Link Frame) Which of the following are data link layer protocols? (Choose three) 802.11 Ethernet IP PPP UDP
802.11 Ethernet PPP
(1.10 Module Quiz - Networking Today) In which scenario would the use of a WISP be recommended? An internet cafe in a city Any home with multiple wireless devices A farm in a rural area without wired broadband access An apartment in a building with cable access to the internet
A farm in a rural area without wired broadband access
(7.5 Module Quiz - Ethernet Switching) What is auto-MDIX? a feature to automatically determine speed and duplex an Ethernet connector type a feature that detects Ethernet cable type a type of Cisco switch
A feature that detects Ethernet cable type
(1.10 Module Quiz - Networking Today) Which device performs the function of determining the path that messages should take through internetworks? A firewall A DSL modem A web server A router
A router
(6.1 Purpose of the Data Link Layer) What Layer 2 function does a router perform? (Choose three.) Accepts a frame from a medium De-encapsulates the frame Refers to its Layer 3 routing table for a matching destination network Re-encapsulates the packet into a new frame
Accepts a frame from a medium De-encapsulates the frame Re-encapsulates the packet into a new frame
(7.5 Module Quiz - Ethernet Switching) What type of address is 01-00-5E-0A-00-02? an address that reaches one specific host an address that reaches a specific group of hosts an address that reaches every host inside a local subnet an address that reaches every host in the network
An address that reaches a specific group of hosts
(7.4 Switch Speeds and Forwarding Methods) What feature automatically negotiates the best speed and duplex setting between interconnecting devices? auto-MDIX autobots autonegotiation autotune
Autonegotiation
(2.1 Cisco IOS Access) Which access method would be the most appropriate if you call your manager to tell him you cannot access your router in another city over the internet and he provides you with the information to access the router through a telephone connection? Console Telnet/SSH Aux
Aux
(1.7 Network Trends) Which feature describes using personal tools to access information and communicate across a business or campus network? BYOD Video communications Cloud computing
BYOD
(1.10 Module Quiz - Networking Today) How does BYOD change the way in which businesses implement networks? BYOD devices are more expensive than devices that are purchased by an organization BYOD provides flexibility in where and how users can access network resources BYOD requires organizations to purchase laptops rather than desktops BYOD users are responsible for their own network security, thus reducing the need for organizational security policies
BYOD provides flexibility in where and how users can access network resources
(4.2 Physical Layer Characteristics) Which of these is the name for the capacity of a medium to carry data? bandwidth throughput goodput
Bandiwdth
(4.6 Wireless Media) Which of the following wireless standards is used for Personal Area Networks (PANs) and allows devices to communicate over distances of 1 to 100 meters? Zigbee WiMAX Wi-Fi Bluetooth
Bluetooth
(1.10 Module Quiz - Networking Today) A large corporation has modified its network to allow users to access network resources from their personal laptops and smart phones. Which networking trend does this describe? Cloud Computing Online Collaboration Bring Your Own Device (BYOD) Video Conferencing
Bring Your Own Device (BYOD)
(3.8 Module Quiz - Protocols and Models) What type of communication will send a message to all devices on a local area network? unicast allcast broadcast multicast
Broadcast
(3.8 Module Quiz - Protocols and Models) Which message delivery option is used when all devices need to receive the same message simultaneously? duplex unicast multicast broadcast
Broadcast
(5.2 Hexadecimal Number System) Which is the hexadecimal equivalent of 202? B10 BA C10 CA
CA
(6.4 Module Quiz - Data Link Layer) What method is used to manage contention-based access on a wireless network? priority ordering CSMA/CA token passing CSMA/CD
CSMA/CA
(6.4 Module Quiz - Data Link Layer) Which data link layer media access control method does Ethernet use with legacy Ethernet hubs? token passing determinism turn taking CSMA/CD
CSMA/CD
(2.2 IOS Navigation) Which two commands would return you to the privileged EXEC prompt regardless of the configuration mode you are in? (Choose two.) CTRL+Z disable enable end exit
CTRL+Z end
(4.7 Module Quiz - Physical Layer) What is a characteristic of UTP cabling? cancellation cladding woven copper braid or metallic foil immunity to electrical hazards
Cancellation
(6.2 Topologies) Which media access control method is used in legacy Ethernet LANs? carrier sense multiple access/collision annoyance carrier sense multiple access/collision avoidance carrier sense multiple access/collision destruction carrier sense multiple access/collision detection
Carrier Sense Multiple Access(CSMA)/collision detection
(1.7 Network Trends) Which feature contains options such as Public, Private, Custom and Hybrid? BYOD Video communications Cloud computing
Cloud computing
(4.3 Copper Cabling) Which of the following attaches antennas to wireless devices? It can also be bundled with fiber-optic cabling for two-way data transmission. Unshielded Twisted Pair Cable (UTP) Shielded Twisted Pair Cable (STP) Coaxial
Coaxial
(4.3 Copper Cabling) Which of the following terminates with BNC, N type and F type connectors? Unshielded Twisted Pair Cable (UTP) Shielded Twisted Pair Cable (STP) Coaxial
Coaxial
(2.1 Cisco IOS Access) Which access method would be most appropriate if you were in the equipment room with a new switch that needs to be configured? Console Telnet/SSH Aux
Console
(2.1 Cisco IOS Access) Which access method would be most appropriate if your manager gave you a special cable and told you to use it to configure the switch? Console Telnet/SSH Aux
Console
(7.1 Ethernet Switching) What is a function of the MAC sublayer? (Choose three.) controls access to the media checks for errors in received bits uses CSMA/CD or CSMA/CA to support Ethernet technology communicates between software at the upper layers and the device hardware at the lower layers allows multiple Layer 3 protocols to use the same network interface and media
Controls access to the media Checks for errors in received bits Uses CSMA/CD or CSMA/CA to support Ethernet technology
(4.2 Physical Layer Characteristics) Which media uses electrical pulses to represent bits? copper wireless fiber-optic
Copper
(7.4 Switch Speeds and Forwarding Methods) Which switching method can be implemented using fast-forward switching or fragment-free switching? cut-off switching cut-through switching store-and-forward switching store-and-restore switching
Cut-through switching
(7.4 Switch Speeds and Forwarding Methods) What are two methods for switching data between ports on a switch? (Choose two.) cut-off switching cut-through switching store-and-forward switching store-and-supply switching store-and-restore switching
Cut-through switching Store-and-forward switching
(3.2 Protocols) Which two protocols are service discovery protocols? (Choose two.) DNS TCP SSH DHCP
DNS DHCP
(3.3 Protocol Suites) Which two protocols belong in the TCP/IP model application layer? EIGRP DNS OSPF ICMP DHCP
DNS DHCP
(7.1 Ethernet Switching) Which part of an Ethernet Frame uses a pad to increase the frame field to at least 64 bytes? EtherType Preamble Start of Frame Delimiter Data field
Data field
(4.1 Purpose of the Physical Layer) The physical layer of the receiving device passes bits up to which higher level layer? Application Presentation Network Data link
Data link
(6.4 Module Quiz - Data Link Layer) Which layer of the OSI model is responsible for specifying the encapsulation method used for specific types of media? transport application data link physical
Data link
(6.4 Module Quiz - Data Link Layer) Which statement describes the half-duplex mode of data transmission? Data that is transmitted over the network flows in both directions at the same time. Data that is transmitted over the network flows in one direction to many different destinations simultaneously. Data that is transmitted over the network flows in one direction at a time. Data that is transmitted over the network can only flow in one direction.
Data that is transmitted over the network flows in one direction at a time
(3.8 Module Quiz - Protocols and Models) What process is used to receive transmitted data and convert it into a readable message? decoding access control flow control encapsulation
Decoding
(1.8 Network Security) Which attack slows down or crashes equipment and programs? Firewall Virus, worm, or Trojan horse Zero-day or Zero-hour Virtual Private Network (VPN) Denial of Service (DoS)
Denial of Service (DoS)
(3.8 Module Quiz - Protocols and Models) Which logical address is used for delivery of data to a remote network? source MAC address destination MAC address source IP address destination port number destination IP address
Destination IP address
(6.3 Data Link Frame) Which lists the Layer 2 and Layer 3 address fields in the correct order? destination NIC address, source NIC address, source IP address, destination IP address source NIC address, destination NIC address, source IP address, destination IP address destination NIC address, source NIC address, destination IP address, source IP address source NIC address, destination NIC address, destination IP address, source IP address
Destination NIC address, source NIC address, source IP address, destination IP address
(2.6 Ports and Addresses) What is the structure of an IPv4 address called? Dotted-binary format Dotted-decimal format Dotted-hexadecimal format
Dotted-decimal format
(3.8 Module Quiz - Protocols and Models) What process is used to place one message inside another message for transfer from the source to the destination? decoding access control flow control encapsulation
Encapsulation
(3.1 The Rules) What is the process of converting information into the proper form for transmission? Formatting Encoding Encapsulation
Encoding
(7.1 Ethernet Switching) Which part of an Ethernet Frame describes the higher-layer protocol that is encapsulated? EtherType Preamble Start of Frame Delimiter Frame Check Sequence
EtherType
(3.3 Protocol Suites) Which protocol operates at the network access layer of the TCP/IP model? HTTP IP DNS Ethernet
Ethernet
(6.2 Topologies) Which LAN topology is a hybrid topology? bus extended star ring star
Extended star
(1.10 Module Quiz - Networking Today) Which term refers to a network that provides secure access to the corporate offices by suppliers, customers and collaborators? Internet Intranet Extranet Extendednet
Extranet
(1.4 Common Types of Networks) Which network infrastructure might an organization use to provide secure and safe access to individuals who work for a different organization but require access to the organization's data? Extranet Intranet LAN WAN
Extranet
(5.3 Module Quiz - Number Systems) Which is a valid hexadecimal number? F G H J
F
(5.2 Hexadecimal Number System) Which is the hexadecimal equivalent of 254? EA ED FA FE
FE
(3.7 Data Access) True or False? Data Link addresses are physical so they never change in the data link frame from source to destination. True False
False
(3.7 Data Access) True or false? The right-most part of an IP address is used to identify the network that a device belongs to. True False
False
(4.1 Purpose of the Physical Layer) True or false? The physical layer is only concerned with wired network connections. True False
False
(4.1 Purpose of the Physical Layer) True or false? When a frame is encoded by the physical layer, all bits are sent over the media at the same time. True False
False
(4.6 Wireless Media) True or false. Wireless LANs operate in full-duplex allowing all devices to send or receive data at the same time so the number of users does not impact performance. True False
False
(4.6 Wireless Media) True or false. Wireless is not well suited for enterprise networks. True False
False
(1.10 Module Quiz - Networking Today) A college is building a new dormitory on its campus. Workers are digging in the ground to install a new water pipe for the dormitory. A worker accidentally damages a fiber optic cable that connects two of the existing dormitories to the campus data center. Although the cable has been cut, students in the dormitories only experience a very short interruption of network services. What characteristic of the network is shown here? Scalability Fault tolerance Integrity Quality of Service (QoS) Security
Fault tolerance
(1.6 Reliable Networks) Having multiple paths to a destination is known as redundancy. This is an example of which characteristic of network architecture? Fault tolerance Scalability QoS Security
Fault tolerance
(4.2 Physical Layer Characteristics) Which media uses patterns of light to represent bits? copper wireless fiber-optic
Fiber-optic
(1.2 Network Components) When data is encoded as pulses of light, which media is being used to transmit the data? Wireless Fiber-optic cable Copper cable
Fiber-optic cable
(1.8 Network Security) Which option blocks unauthorized access to your network? Firewall Virus, worm, or Trojan horse Zero-day or Zero-hour Virtual Private Network (VPN) Denial of Service (DoS)
Firewall
(3.1 The Rules) Which three are components of message timing? (Choose three.) Flow control Sequence numbers Access method Retransmit time Response timeout
Flow control Access method Response timeout
(3.1 The Rules) Which step of the communication process is concerned with properly identifying the address of the sender and receiver? Formatting Encoding Encapsulation
Formatting
(4.1 Purpose of the Physical Layer) What PDU is received by the physical layer for encoding and transmission? Frame Segment Packet
Frame
(7.1 Ethernet Switching) Which part of an Ethernet frame detects errors in the frame? Preamble Start of Frame Delimiter Frame Check Sequence
Frame Check Sequence
(2.2 IOS Navigation) Which IOS mode are you in if the Switch(config)# prompt is displayed? Global configuration mode Interface subconfiguration mode Line console subconfiguration mode Privileged EXEC mode User EXEC mode
Global configuration mode
(3.8 Module Quiz - Protocols and Models) A web client is sending a request for a webpage to a web server. From the perspective of the client, what is the correct order of the protocol stack that is used to prepare the request for transmission? Ethernet, TCP, IP, HTTP HTTP, TCP, IP, Ethernet HTTP, IP, TCP, Ethernet Ethernet, IP, TCP, HTTP
HTTP, TCP, IP, Ethernet
(6.2 Topologies) Which duplex communication method is used in WLANs? full-duplex half-duplex simplex
Half-duplex
(6.3 Data Link Frame) What does the data link layer add to a Layer 3 packet to create a frame? (Choose two.) flags sequence number header trailer
Header Tailer
(1.2 Network Components) Which of the following is the name for all computers connected to a network that participate directly in network communication? Servers Intermediary devices Hosts Media
Hosts
(3.8 Module Quiz - Protocols and Models) Which three acronyms/initialisms represent standards organizations? (Choose three.) IANA TCP/IP OSI IEEE MAC IETF
IANA IEEE IETF
(3.8 Module Quiz - Protocols and Models) Which two protocols function at the internet layer? (Choose two.) ICMP BOOTP POP IP PPP
ICMP IP
(3.3 Protocol Suites) Which of the following are protocols that provide feedback from the destination host to the source host regarding errors in packet delivery? (Choose two.) IPv4 TCP ICMPv4 IPv6 UDP ICMPv6
ICMPv4 ICMPv6
(4.7 Module Quiz - Physical Layer) Which standards organization oversees development of wireless LAN standards? ISO IANA IEEE TIA
IEEE
(6.1 Purpose of the Data Link Layer) Which organization defines standards for the network access layer (i.e., the OSI physical and data link layers)? Cisco IANA IEEE IETF
IEEE
(5.3 Module Quiz - Number Systems) Which two statements are correct about IPv4 and IPv6 addresses? (Choose two.) IPv4 addresses are represented by hexadecimal numbers. IPv6 addresses are represented by hexadecimal numbers. IPv4 addresses are 32 bits in length. IPv4 addresses are 128 bits in length. IPv6 addresses are 32 bits in length. IPv6 addresses are 64 bits in length.
IPv6 addresses are represented by hexadecimal numbers. IPv4 addresses are 32 bits in length.
(6.4 Module Quiz - Data Link Layer) Which two engineering organizations define open standards and protocols that apply to the data link layer? (Choose two.) Internet Society (ISOC) Institute of Electrical and Electronics Engineers (IEEE) Electronic Industries Alliance (EIA) International Telecommunication Union (ITU) Internet Assigned Numbers Authority (IANA)
Institute of Electrical and Electronics Engineers (IEEE) International Telecommunication Union (ITU)
(1.3 Network Representations and Topologies) Which connections are specialized ports on a networking device that connect to individual networks? Port NIC Interface
Interface
(3.4 Standards Organizations) This standards organization is responsible for IP address allocation and domain name management. Internet Society (ISOC) Internet Engineering Task Force (IETF) Internet Architecture Board (IAB) Internet Assigned Numbers Authority (IANA)
Internet Assigned Numbers Authority (IANA)
(3.4 Standards Organizations) This standards organization is concerned with the Request for Comments (RFC) documents that specify new protocols and update existing ones. Internet Society (ISOC) Internet Engineering Task Force (IETF) Internet Architecture Board (IAB) Internet Research Task Force (IRTF)
Internet Engineering Task Force (IETF)
(7.5 Module Quiz - Ethernet Switching) Which two functions or operations are performed by the MAC sublayer? (Choose two.) It adds a header and trailer to form an OSI Layer 2 PDU. It is responsible for Media Access Control. It handles communication between upper and lower layers. It adds control information to network protocol layer data. It performs the function of NIC driver software.
It adds a header and trailer to form an OSI layer 2 PDU It is responsible for Media Access Control
(2.9 Module Quiz - Basic Switch and End Device Configuration) Which statement is true about the running configuration file in a Cisco IOS device? It is automatically saved when the router reboots It affects the operation of the device immediately when modified It should be deleted using the erase running config command It is stored in the NVRAM
It affects the operation of the device immediately when modified
(7.5 Module Quiz - Ethernet Switching) Which function or operation is performed by the LLC sublayer? It adds a header and trailer to a packet to form an OSI Layer 2 PDU. It is responsible for media access control. It communicates with upper protocol layers. It performs data encapsulation.
It communicates with upper protocol layers
(4.7 Module Quiz - Physical Layer) Which statement correctly describes frame encoding? It transmits data signals along with a clock signal which occurs at evenly spaced time durations. It converts bits into a predefined code in order to provide a predictable pattern to help distinguish data bits from control bits. It uses the characteristic of one wave to modify another wave. It generates the electrical, optical, or wireless signals that represent the binary numbers of the frame.
It converts bits into a predefined code in order to provide a predictable pattern to help distinguish data bits from control bits
(4.7 Module Quiz - Physical Layer) What is one advantage of using fiber optic cabling rather than copper cabling? It is able to be installed around sharp bends. It is usually cheaper than copper cabling. It is easier to terminate and install than copper cabling. It is able to carry signals much farther than copper cabling.
It is able to carry signals much farther than copper cabling
(1.10 Module Quiz - Networking Today) What is an ISP? It is an organization that enables individuals and businesses to connect to the internet It is a networking device that combines the functionality of several different networking devices in one It is a protocol that establishes how computers within a local network communicate It is a standard body that develops cabling and wiring standards for networking
It is an organization that enables individuals and businesses to connect to the internet
(3.8 Module Quiz - Protocols and Models) What is done to an IP packet before it is transmitted over the physical medium? It is encapsulated into a TCP segment. It is segmented into smaller individual pieces. It is encapsulated in a Layer 2 frame. It is tagged with information guaranteeing reliable delivery.
It is encapsulated in a Layer 2 frame
(3.8 Module Quiz - Protocols and Models) What are two benefits of using a layered network model? (Choose two.) It prevents technology in one layer from affecting other layers. It speeds up packet delivery. It ensures a device at one layer can function at the next higher layer. It prevents designers from creating their own model. It assists in protocol design.
It prevents technology in one layer from affecting other layers It assists in protocol design
(1.10 Module Quiz - Networking Today) What is the Internet? It provides network access for mobile devices It provides connections through interconnected global networks It is a network based on Ethernet technology It is a private network for an organization with LAN and WAN connections
It provides connections through interconnected global networks
(6.4 Module Quiz - Data Link Layer) What are two services performed by the data link layer of the OSI model? (Choose two.) It fragments data packets into the MTU size. It determines the path to forward packets. It monitors the Layer 2 communication by building a MAC address table. It provides media access control and performs error detection. It accepts Layer 3 packets and encapsulates them into frames.
It provides media access control and performs error detection It accepts Layer 3 packets and encapsulates them into frames
(7.5 Module Quiz - Ethernet Switching) Which two characteristics describe Ethernet technology? (Choose two.) It uses unique MAC addresses to ensure that data is sent to the appropriate destination. It is supported by IEEE 802.3 standards. It is supported by IEEE 802.5 standards. It uses a ring topology. It typically uses an average of 16 Mbps for data transfer rates.
It uses unique MAC addresses to ensure that data is sent to the appropriate destination It is supported by IEEE 802.3 standards
(7.5 Module Quiz - Ethernet Switching) What will a host on an Ethernet network do if it receives a frame with a unicast destination MAC address that does not match its own MAC address? It will remove the frame from the media. It will discard the frame. It will strip off the data-link frame to check the destination IP address. It will forward the frame to the next host.
It will discard the frame
(1.4 Common Types of Networks) Which network infrastructure provides access to users and end devices in a small geographical area, which is typically a network in a department in an enterprise, a home, or small business? Extranet Intranet LAN WAN
LAN
(7.1 Ethernet Switching) Which data link sublayer controls the network interface through software drivers? MAC LLC
LLC
(7.1 Ethernet Switching) Which data link sublayer works with the upper layers to add application information for delivery of data to higher level protocols? MAC LLC
LLC
(6.4 Module Quiz - Data Link Layer) What are the two sublayers of the OSI model data link layer? (Choose two.) LLC MAC internet physical transport network access
LLC MAC
(6.1 Purpose of the Data Link Layer) What is another name for the OSI data link layer? Layer 1 Layer 2 Layer 3 Layer 6
Layer 2
(6.1 Purpose of the Data Link Layer) The IEEE 802 LAN/MAN data link layer consists of which two sublayers? (Choose two.) Network Control Protocol Logical Link Control Media Access Control Link Control Protocol
Logical Link Control Media Access Control
(6.4 Module Quiz - Data Link Layer) What is true concerning physical and logical topologies? Physical topologies display the IP addressing scheme of each network. Physical topologies are concerned with how a network transfers frames. The logical topology is always the same as the physical topology. Logical topologies refer to how a network transfers data between devices.
Logical topologies refer to how a network transfers data between devices
(1.3 Network Representations and Topologies) Which type of network topology lets you see which end devices are connected to which intermediary devices and what media is being used? Physical topology Logical topology
Logical topology
(6.2 Topologies) Which topology displays networking device layer IP addresses? aerial topology IP address topology logical topology physical topology
Logical topology
(6.4 Module Quiz - Data Link Layer) What attribute of a NIC would place it at the data link layer of the OSI model? MAC address TCP/IP protocol stack attached Ethernet cable RJ-45 port IP address
MAC address
(6.4 Module Quiz - Data Link Layer) What identifier is used at the data link layer to uniquely identify an Ethernet device? MAC address IP address sequence number UDP port number TCP port number
MAC address
(6.1 Purpose of the Data Link Layer) The media access control method used depends on which two criteria? Layer 3 IP protocol Media sharing Topology Transport layer protocol Type of data
Media Sharing Topology
(6.4 Module Quiz - Data Link Layer) A technician has been asked to develop a physical topology for a network that provides a high level of redundancy. Which physical topology requires that every node is attached to every other node on the network? ring bus mesh hierarchical star
Mesh
(3.1 The Rules) Which delivery method is used to transmit information to one or more end devices, but not all devices on the network? Unicast Multicast Broadcast
Multicast
(3.8 Module Quiz - Protocols and Models) Which type of communication will send a message to a group of host destinations simultaneously? broadcast anycast multicast unicast
Multicast
(4.5 Fiber-Optic Cabling) Which of the following fiber-optic cable types can help data travel approximately 500 meters? multimode single-mode
Multimode
(4.5 Fiber-Optic Cabling) Which of the following fiber-optic cable types is used within a campus network? multimode single-mode
Multimode
(4.5 Fiber-Optic Cabling) Which of the following fiber-optic cable types use light emitting diodes (LEDs) as a data light source transmitter? multimode single-mode
Multimode
(1.3 Network Representations and Topologies) Which connection physically connects the end device to the network? Port NIC Interface
NIC
(2.9 Module Quiz - Basic Switch and End Device Configuration) Which memory location on a Cisco router or switch stores the startup configuration file? ROM flash RAM NVRAM
NVRAM
(3.7 Data Access) Which of the following statements are true regarding network layer and data link layer addresses? (Choose three.) Data link layer addresses are logical and network layer addresses are physical. Network layer addresses are expressed as 12 hexadecimal digits and data link layer addresses are decimal. Network layer addresses are logical and data link addresses are expressed as 12 hexadecimal digits. Data link layer addresses are physical and network layer addresses are logical. Network layer addresses are either 32 or 128 bits in length. Data link layer addresses are 32 bits in length.
Network layer addresses are logical and data link addresses are expressed as 12 hexadecimal digits. Data link layer addresses are physical and network layer addresses are logical. Network layer addresses are either 32 or 128 bits in length.
(4.7 Module Quiz - Physical Layer) A network administrator is troubleshooting connectivity issues on a server. Using a tester, the administrator notices that the signals generated by the server NIC are distorted and not usable. In which layer of the OSI model is the error categorized? network layer physical layer data link layer presentation layer
Physical Layer
(1.3 Network Representations and Topologies) Which type of network topology lets you see the actual location of intermediary devices and cable installation? Physical topology Logical topology
Physical topology
(7.4 Switch Speeds and Forwarding Methods) Which two types of memory buffering techniques are used by switches? (Choose two.) long-term memory buffering port-based memory buffering shared memory buffering short-term memory buffering
Port-based memory buffering Shared memory buffering
(1.7 Network Trends) Which feature is being used when connecting a device to the network using an electrical outlet? Smart home technology Powerline Wireless Broadband
Powerline
(7.1 Ethernet Switching) Which part of an Ethernet Frame notifies the receiver to get ready for a new frame? Start of Frame Delimiter Frame Check Sequence Preamble Data field
Preamble
(2.2 IOS Navigation) Which IOS mode allows access to all commands and features? Global configuration mode Interface subconfiguration mode Line console subconfiguration mode Privileged EXEC mode User EXEC mode
Privileged EXEC mode
(3.8 Module Quiz - Protocols and Models) What is the general term that is used to describe a piece of data at any layer of a networking model? frame protocol data unit (PDU) packet segment
Protocol Data Unit (PDU)
(6.1 Purpose of the Data Link Layer) What is the responsibility of the MAC sublayer? Adds Layer 3 addresses to the frame Communicates with the network layer (Layer 3) Provides the method to get the frame on and off the media Transmits the bits on the media
Provides the method to get the frame on and off the media
(3.8 Module Quiz - Protocols and Models) What is the purpose of protocols in data communications? providing the rules required for a specific type of communication to occur specifying the bandwidth of the channel or medium for each type of communication specifying the device operating systems that will support the communication dictating the content of the message sent during communication
Providing the rules required for a specific type of communication to occur
(1.6 Reliable Networks) With which type of policy, a router can manage the flow of data and voice traffic, giving priority to voice communications if the network experiences congestion? Fault tolerance Scalability QoS Security
QoS
(2.9 Module Quiz - Basic Switch and End Device Configuration) Which memory location on a Cisco router or switch will lose all content when the device is restarted? flash NVRAM ROM RAM
RAM
(4.7 Module Quiz - Physical Layer) What type of cable is used to connect a workstation serial port to a Cisco router console port? rollover straight-through crossover coaxial
Rollover
(1.2 Network Components) Which two devices are intermediary devices? (Choose two) Hosts Routers Servers Switches
Routers Switches
(3.3 Protocol Suites) Which services are provided by the internet layer of the TCP/IP protocol suite? (Choose three.) File Transfer Address Resolution Routing Protocols Messaging Ethernet Internet Protocol
Routing Protocols Messaging Internet Protocol
(1.10 Module Quiz - Networking Today) Which two Internet connection options do not require that physical cables be run to the building? (Choose two.) DSL Dialup Dedicated leased line Satellite Cellular
Satellite Cellular
(1.10 Module Quiz - Networking Today) What characteristic of a network enables it to quickly grow to support new users and applications without impacting the performance of the service being delivered to existing users? Quality of Service (QoS) Accessibility Reliability Scalability
Scalability
(1.6 Reliable Networks) When designers follow accepted standards and protocols, which of the four basic characteristics of network architecture is achieved? Fault tolerance Scalability QoS Security
Scalability
(1.6 Reliable Networks) Confidentiality, integrity, and availability are requirements of which of the four basic characteristics of network architecture? Fault tolerance Scalability QoS Security
Security
(3.6 Data Encapsulation) What is the PDU associated with the transport layer? segment packet bits frame
Segment
(3.6 Data Encapsulation) What is the process of dividing a large data stream into smaller pieces prior to transmission? sequencing duplexing multiplexing segmentation
Segmentation
(4.3 Copper Cabling) Which of the following counters EMI and RFI by using shielding techniques and special connectors? Unshielded Twisted Pair Cable (UTP) Shielded Twisted Pair Cable (STP) Coaxial
Shielded Twisted Pair Cable (STP)
(4.5 Fiber-Optic Cabling) Which of the following fiber-optic cable types can travel approximately 100 km? multimode single-mode
Single-mode
(4.5 Fiber-Optic Cabling) Which of the following fiber-optic cable types is used to connect long-distance telephony and cable TV applications? multimode single-mode
Single-mode
(4.5 Fiber-Optic Cabling) Which of the following fiber-optic cable types use lasers in a single stream as a data light source transmitter? multimode single-mode
Single-mode
(1.10 Module Quiz - Networking Today) During a routine inspection, a technician discovered that software that was installed on a computer was secretly collecting data about websites that were visited by users of the computer. Which type of threat is affecting this computer? Zero-day attack Identity theft DoS attack Spyware
Spyware
(6.4 Module Quiz - Data Link Layer) What type of physical topology can be created by connecting all Ethernet cables to a central device? bus star mesh ring
Star
(4.7 Module Quiz - Physical Layer) Which type of UTP cable is used to connect a PC to a switch port? console rollover crossover straight-through
Straight-through
(3.7 Data Access) What is used to determine the network portion of an IPv4 address? subnet mask MAC address right-most part of the IP address left-most part of the MAC address
Subnet mask
(7.5 Module Quiz - Ethernet Switching) Which network device has the primary function to send data to a specific destination based on the information found in the MAC address table? switch router hub modem
Switch
(7.5 Module Quiz - Ethernet Switching) Which network device makes forwarding decisions based on the destination MAC address that is contained in the frame? switch repeater router hub
Switch
(2.6 Ports and Addresses) What type of interface has no physical port associated with it? Console Ethernet Serial Switch Virtual Interface (SVI)
Switch Virtual Interface (SVI)
(2.1 Cisco IOS Access) Which access method would be the most appropriate in-band access to the IOS over a network connection? Console Telnet/SSH Aux
Telnet/SSH
(4.7 Module Quiz - Physical Layer) What is the definition of bandwidth? the amount of data that can flow from one place to another in a given amount of time the speed of bits across the media over a given period of time the speed at which bits travel on the network the measure of usable data transferred over a given period of time
The amount of data that can flow from one place to another in a given amount of time
(4.7 Module Quiz - Physical Layer) Which characteristic describes crosstalk? the distortion of the transmitted messages from signals carried in adjacent wires the loss of wireless signal over excessive distance from the access point the distortion of the network signal from fluorescent lighting the weakening of the network signal over long cable lengths
The distortion of the transmitted messages from signals carried in adjacent wires
(4.7 Module Quiz - Physical Layer) A network administrator is designing a new network infrastructure that includes both wired and wireless connectivity. Under which situation would a wireless connection be recommended? The end-user device requires a dedicated connection because of performance requirements. The end-user device only has an Ethernet NIC. The end-user device area has a high concentration of RFI. The end-user device needs mobility when connecting to the network.
The end-user device needs mobility when connecting to the network
(7.5 Module Quiz - Ethernet Switching) Which statement is true about MAC addresses? MAC addresses are implemented by software. The first three bytes are used by the vendor assigned OUI. A NIC only needs a MAC address if connected to a WAN. The ISO is responsible for MAC addresses regulations.
The first three bytes are used by the vendor assigned OUI
(7.5 Module Quiz - Ethernet Switching) What happens to runt frames received by a Cisco Ethernet switch? The frame is returned to the originating network device. The frame is broadcast to all other devices on the same network. The frame is sent to the default gateway. The frame is dropped.
The frame is dropped
(1.10 Module Quiz - Networking Today) What type of network must a home user access in order to do online shopping? A Local Area Network (LAN) An extranet An intranet The internet
The internet
(4.7 Module Quiz - Physical Layer) What is indicated by the term throughput? the time it takes for a message to get from sender to receiver the measure of the usable data transferred across the media the guaranteed data transfer rate offered by an ISP the measure of the bits transferred across the media over a given period of time the capacity of a particular medium to carry data
The measure of the bits transferred across the media over a given period of time
(4.7 Module Quiz - Physical Layer) A wireless LAN is being deployed inside the new one room office that is occupied by the park ranger. The office is located at the highest part of the national park. After network testing is complete, the technicians report that the wireless LAN signal is occasionally affected by some type of interference. What is a possible cause of the signal distortion? the elevated location where the wireless LAN was installed the large number of trees that surround the office the microwave oven the number of wireless devices that are used in the wireless LAN
The microwave oven
(7.5 Module Quiz - Ethernet Switching) What addressing information is recorded by a switch to build its MAC address table? the destination Layer 2 address of outgoing frames the destination Layer 3 address of incoming packets the source Layer 2 address of incoming frames the source Layer 3 address of outgoing packets
The source Layer 2 address of incoming frames
(6.4 Module Quiz - Data Link Layer) Although CSMA/CD is still a feature of Ethernet, why is it no longer necessary? the use of full-duplex capable Layer 2 switches the use of CSMA/CA the development of half-duplex switch operation the virtually unlimited availability of IPv6 addresses the use of Gigabit Ethernet speeds
The use of full-duplex capable Layer 2 switches
(4.7 Module Quiz - Physical Layer) Why are two strands of fiber used for a single fiber optic connection? The two strands allow the data to travel for longer distances without degrading. They prevent crosstalk from causing interference on the connection. They increase the speed at which the data can travel. They allow for full-duplex connectivity.
They allow for full-duplex ocnnectivity
(7.5 Module Quiz - Ethernet Switching) What statement describes a characteristic of MAC addresses? They have a 32-bit binary value. They are added as part of a Layer 3 PDU. They must be globally unique. They are only routable within the private network.
They must be globally unique
(1.10 Module Quiz - Networking Today) What are two functions of end devices on a network? (Choose two.) They originate the data that flows through the network They filter the flow of data to enhance security They are the interface between humans and the communication network They direct data over alternate paths in the event of link failures They provide the channel over which the network message travels
They originate the data that flows through the network They are the interface between humans and the communication network
(4.2 Physical Layer Characteristics) Which of these is a measure of the transfer of bits across the media? bandwidth throughput goodput
Throughput
(3.8 Module Quiz - Protocols and Models) In computer communication, what is the purpose of message encoding? to negotiate correct timing for successful communication to break large messages into smaller frames to convert information to the appropriate form for transmission to interpret information
To convert information to the appropriate form for transmission
(6.3 Data Link Frame) What is the function of the last field in a data link layer frame? To determine whether the frame experienced transmission errors To identify special flow control services such as quality of service (QoS) To identify the beginning and end limits of the frame To identify the Layer 3 protocol in the data field
To determine whether the frame experienced transmission erros
(6.4 Module Quiz - Data Link Layer) Which is a function of the Logical Link Control (LLC) sublayer? to provide data link layer addressing to identify which network layer protocol is being used to accept segments and package them into data units that are called packets to define the media access processes that are performed by the hardware
To identify which network layer protocol is being used
(4.7 Module Quiz - Physical Layer) What is the purpose of the OSI physical layer? transmitting bits across the local media controlling access to media performing error detection on received frames exchanging frames between nodes over physical network media
Transmitting bits across the local media
(3.8 Module Quiz - Protocols and Models) Which layer of the OSI model defines services to segment and reassemble data for individual communications between end devices? presentation application session transport network
Transport
(3.4 Standards Organizations) True or false. Standards organizations are usually vendor-neutral. True False
True
(3.7 Data Access) True or false? Frames exchanged between devices in different IP networks must be forwarded to a default gateway. True False
True
(4.7 Module Quiz - Physical Layer) Which procedure is used to reduce the effect of crosstalk in copper cables? wrapping the bundle of wires with metallic shielding avoiding sharp bends during installation twisting opposing circuit wire pairs together requiring proper grounding connections designing a cable infrastructure to avoid crosstalk interference
Twisting opposing circuit wire pairs together
(4.3 Copper Cabling) Which of the following is the most common network media? Unshielded Twisted Pair Cable (UTP) Shielded Twisted Pair Cable (STP) Coaxial
Unshielded Twisted Pair Cable (UTP)
(2.2 IOS Navigation) Which IOS mode are you in if the Switch> prompt is displayed? Global configuration mode Interface subconfiguration mode Line console subconfiguration mode Privileged EXEC mode User EXEC mode
User EXEC mode
(2.9 Module Quiz - Basic Switch and End Device Configuration) What is the default SVI on a Cisco switch? VLAN999 VLAN1 VLAN100 VLAN99
VLAN1
(1.10 Module Quiz - Networking Today) An employee wants to access the network of the organization remotely, in the safest possible way. What network feature would allow an employee to gain secure remote access to a company network? IPS ACL VPN BYOD
VPN
(1.7 Network Trends) Which feature is a good conferencing tool to use with others who are located elsewhere in your city, or even in another country? BYOD Video communications Cloud computing
Video communications
(1.8 Network Security) Which option creates a secure connection for remote workers? Firewall Virus, worm, or Trojan horse Zero-day or Zero-hour Virtual Private Network (VPN) Denial of Service (DoS)
Virtual Private Network (VPN)
(1.8 Network Security) Which option describes malicious code running on user devices? Firewall Virus, worm, or Trojan horse Zero-day or Zero-hour Virtual Private Network (VPN) Denial of Service (DoS)
Virus, worm, or Trojan horse
(1.4 Common Types of Networks) Which network infrastructure provides access to other networks over a large geographical area, which is often owned and managed by a telecommunications service provider? Extranet Intranet LAN WAN
WAN
(6.2 Topologies) What kind of network would use point-to-point, hub and spoke, or mesh topologies? PAN LAN WLAN WAN
WAN
(4.2 Physical Layer Characteristics) Which media uses patterns of microwaves to represent bits? copper wireless fiber-optic
Wireless
(1.7 Network Trends) Which feature uses the same cellular technology as a smartphone? Smart home technology Powerline Wireless broadband
Wireless broadband
(1.8 Network Security) Which option describes a network attack that occurs on the first day that a vulnerability becomes known? Firewall Virus, worm, or Trojan horse Zero-day or Zero-hour Virtual Private Network (VPN) Denial of Service (DoS)
Zero-day or Zero-hour
(4.6 Wireless Media) Which of the following wireless standards is best suited for industrial and IoT environments? Zigbee WiMAX Wi-Fi Bluetooth
Zigbee
(2.9 Module Quiz - Basic Switch and End Device Configuration) Which functionality is provided by DHCP? end-to-end connectivity test automatic assignment of an IP address to each host remote switch management translation of IP addresses to domain names
automatic assignment of an IP address to each host
(2.4 Basic Device Configuration) Which is the command to configure a banner to be displayed when connecting to a switch? banner $ Keep out $ banner motd $ Keep out $ display $ Keep out $ login banner $ Keep out $
banner motd $ Keep out $
(3.7 Data Access) What is the order of the two addresses in the data link frame? source MAC, destination MAC destination MAC, source IP destination IP, source IP destination MAC, source MAC source IP, destination IP
destination MAC, source MAC
(2.9 Module Quiz - Basic Switch and End Device Configuration) Which two functions are provided to users by the context-sensitive help feature of the Cisco IOS CLI? (Choose two.) selecting the best command to accomplish a task determining which option, keyword, or argument is available for the entered command allowing the user to complete the remainder of an abbreviated command with the TAB key providing an error message when a wrong command is submitted displaying a list of all available commands within the current mode
determining which option, keyword, or argument is available for the entered command displaying a list of all available commands within the current mode
(5.3 Module Quiz - Number Systems) Which IPv4 address format was created for ease of use by people and is expressed as 201.192.1.14? binary hexadecimal ASCII dotted decimal
dotted decimal
(2.4 Basic Device Configuration) How is the privileged EXEC mode access secured on a switch? enable class secret class enable secret class service password-encryption
enable secret class
(2.4 Basic Device Configuration) What is the command to assign the name "Sw-Floor-2" to a switch? hostname Sw-Floor-2 host name Sw-Floor-2 name Sw-Floor-2
hostname Sw-Floor-2
(2.4 Basic Device Configuration) Which command enables password authentication for user EXEC mode access on a switch? enable secret login secret service password-encryption
login
(2.9 Module Quiz - Basic Switch and End Device Configuration) Which type of access is secured on a Cisco router or switch with the enable secret command? AUX port virtual terminal privileged EXEC console line
privileged EXEC
(3.2 Protocols) BGP and OSPF are examples of which type of protocol? network communication network security routing service discovery
routing
(2.4 Basic Device Configuration) Which command encrypts all plaintext passwords access on a switch? enable secret login secret service password-encryption
service password-encryption
(2.9 Module Quiz - Basic Switch and End Device Configuration) When a hostname is configured through the Cisco CLI, which three naming conventions are part of the guidelines? (Choose three.) the hostname should be written in all lower case characters the hostname should be fewer than 64 characters in length the hostname should end with a special character the hostname should contain no spaces the hostname should begin with a letter
the hostname should be fewer than 64 characters in length the hostname should contain no spaces the hostname should begin with a letter
(2.9 Module Quiz - Basic Switch and End Device Configuration) Why would a technician enter the command copy startup-config running-config? to remove all configurations from the switch to save an active configuration to NVRAM to make a changed configuration the new startup configuration to copy an existing configuration into RAM
to copy an existing configuration into RAM
(3.2 Protocols) What is the purpose of the sequencing function in network communication? to uniquely label transmitted segments of data for proper reassembly by the receiver to determine if data is corrupted during transmission to ensure data flows at an efficient rate between sender and receiver to guarantee delivery of data
to uniquely label transmitted segments of data for proper reassembly by the receiver
(3.3 Protocol Suites) UDP and TCP belong to which layer of the TCP/IP protocol? application transport internet network access
transport
(2.9 Module Quiz - Basic Switch and End Device Configuration) A router with a valid operating system contains a configuration file stored in NVRAM. The configuration file has an enable secret password but no console password. When the router boots up, which mode will display? privileged EXEC mode global configuration mode user EXEC mode setup mode
user EXEC mode
(3.6 Data Encapsulation) Which protocol stack layer encapsulates data into frames? data link transport network application
Data link
(3.4 Standards Organizations) What types of standards are developed by the Electronics Industries Alliance (EIA)? electric wiring and connectors radio equipment and cell towers video compression and broadband communications Voice over IP (VoIP) and satellite communications
Electric wiring and connectors
(3.6 Data Encapsulation) What is the name of the process of adding protocol information to data as it moves down the protocol stack? de-encapsulation sequencing segmentation encapsulation
Encapsulation
(2.6 Ports and Addresses) How is an IPv4 address represented? Four binary numbers between 0 and 1 separated by colons Four decimal numbers between 0 and 255 separated by periods Thirty-two hexadecimal numbers separated by colons Thirty-two hexadecimal numbers separated by periods
Four decimal numbers between 0 and 255 separated by periods
(3.3 Protocol Suites) A device receives a data link frame with data and processes and removes the Ethernet information. What information would be the next to be processed by the receiving device? HTTP at the application layer HTML at the application layer IP at the internet layer UDP at the internet layer TCP at the transport layer
IP at the internet layer
(2.9 Module Quiz - Basic Switch and End Device Configuration) What is the function of the shell in an OS? It provides the intrusion protection services for the device. It provides dedicated firewall services. It interacts with the device hardware. It interfaces between the users and the kernel.
It interfaces between the users and the kernel.
(1.10 Module Quiz - Networking Today) What are two characteristics of a scalable network? (Choose two.) Suitable for modular devices that allow for expansion Is not as reliable as a small network Grows in size without impacting existing users Easily overloaded with increased traffic Offers limited number of applications
Suitable for modular devices that allow for expansion Grows in size without impacting existing users
(3.2 Protocols) This protocol is responsible for guaranteeing the reliable delivery of information. TCP IP HTTP Ethernet
TCP
(2.9 Module Quiz - Basic Switch and End Device Configuration) An administrator has just changed the IP address of an interface on an IOS device. What else must be done in order to apply those changes to the device? Nothing must be done. Changes to the configuration on an IOS device take effect as soon as the command is typed correctly and the Enter key has been pressed. Copy the running configuration to the startup configuration file. Reload the device and type yes when prompted to save the configuration. Copy the information in the startup configuration file to the running configuration.
Nothing must be done. Changes to the configuration on an IOS device take effect as soon as the command is typed correctly and the Enter key has been pressed.
(2.9 Module Quiz - Basic Switch and End Device Configuration) Which two statements are true regarding the user EXEC mode? (Choose two.) All router commands are available. Only some aspects of the router configuration can be viewed. The device prompt for this mode ends with the ">" symbol. Interfaces and routing protocols can be configured. Global configuration mode can be accessed by entering the enable command.
Only some aspects of the router configuration can be viewed. The device prompt for this mode ends with the ">" symbol.
