Networking Final

What is the distance limitation of 10GBASE-LR?

10 km

What is the common TCP port (that is, "well-known" port) used by IMAP?

143

What are the common TCP ports (that is, "well-known" ports) used by FTP? (Choose two.)

20 & 21

What is the common TCP port (that is, "well-known" port) used by Telnet?

23

What is the common TCP port (that is, "well-known" port) used by SMTP?

25

What TCP port is used by RDP?

3389

What is the common TCP port (that is, "well-known" port) used by HTTPS?

443

What is the common TCP port (that is, "well-known" port) used by HTTP?

80

Which of the following DNS record types is used to map a hostname to an IPv4 address?

A

What is a DHCP lease?

A DHCP lease is a temporary assignment of IP address information to a DHCP client.

Why might a network using DHCP for IP address assignment need a DHCP relay agent?

A router resides between a DHCP client and a DHCP server.

Which of the following DNS record types is an IPv6 address record?

AAAA

Which of the following statements are true of an Ethernet hub?

All connections need to be half-duplex. CSMA/CD needs to run on all attached devices.

A corporate e-mail service would be classified as belonging to what Layer of the OSI Model?

Application

What technology is used on a modern Ethernet network to permit multiple systems to access and transmit and receive data on the infrastructure?

CSMA/CD

Which type of unshielded twisted pair (UTP) is commonly used in Ethernet 10BASE-T networks, which carry data at a rate of 10 Mbps (although it can carry data at a maximum rate of 16 Mbps, as seen in some Token Ring networks)?

Cat 3

Which of the following reflect the media type, bandwidth capacity, and distance limitation combination of 10BASE-T Ethernet?

Cat 3 (or higher) UTP/10 Mbps/100 m

What type of network has a dedicated file server, which provides shared access to files?

Client-server

A DHCP reservation involves the exchange of four messages between a DHCP client and a DHCP server. What is the first of these messages?

DHCPDISCOVER

Which of the following are valid DHCP message types used during a DHCP reservation? (Choose three.)

DHCPDISCOVER DHCPACK DHCPREQUEST

What topology is seen in WAN networks and was designed to increase the redundancy of the communications?

Dual ring

What variant of Domain Name System (DNS) overcomes the size limitations of the original version of DNS through the use of pseudo-resource-records?

EDNS

Which of the following copper connector types is most commonly used for cable TV connections?

F-Connector

Which of the following protocols is used for transferring files with a remote host in a non-secure fashion?

FTP

What WAN topology is typically the most complex and expensive to implement?

Full Mesh

What WAN topology permits the highest degree of failover and redundancy?

Full mesh

Which of the following is a telephony solution that is typically based on a traditional privately-owned telephone system?

Hosted PBX

What WAN topology enables you to minimize WAN expenses by not directly connecting any two remote locations?

Hub-and-spoke

Which of the following standards specifies a method for sending traffic for multiple VLANs across a single link?

IEEE 802.1Q

Which of the following manages and interconnects the cables between end user devices and an MDF?

Intermediate Distribution Frames

Which of the following is a primary benefit of a proxy server, assuming the proxy server is only performing proxy services?

It hides inside addresses from the public Internet.

Which of the following is a primary benefit of a content engine?

It reduces bandwidth demand on an IP WAN.

Which type of fiber optic connector connects to a terminating device by pushing the connector into the terminating device and can be removed by depressing the tab on the connector and pulling it out of the terminating device?

LC

Which of the following are sublayers of the Data Link Layer (that is, Layer 2) of the OSI Model? (Choose two.)

LLC & MAC

An Ethernet hub resides at which layer of the OSI Model?

Layer 1

An Ethernet workgroup switch resides at which layer of the OSI Model?

Layer 2

A router resides at which layer of the OSI Model?

Layer 3

Internet Protocol (IP) resides at what layer of the OSI Model? (Choose two.)

Layer 3; Network

American Standard Code for Information Interchange (ASCII) would be classified at which layer of the OSI Model?

Layer 6

Which of the following network appliances is also known as a content switch?

Load Balancer

Which of the following connects to multiple intermediate distribution frames?

MDF

Which of the following specifies a type of fiber optic cable that has a core whose diameter is large enough to transport light arriving at a variety of angles (that is, more than one mode of propagation)?

MMF

Which type of fiber optic connector contains two fiber strands in a single connector?

MTRJ

Which of the following DNS record types is used for an e-mail server?

MX

What protocol is used to synchronize a network device's clock with a time server?

NTP Network Time Protocol

Which of the following is a technology that allows a service provider to offer networking services to customers?

NaaS

Which layer of the OSI Model is concerned with logical addressing?

Network

Which two routing protocols use bandwidth in their calculation of metric by default?

OSPF & EIGRP

Which two of the following protocols are used to retrieve e-mail from an e-mail server?

POP3 & IMAP4

Which of the following DNS record types points to a canonical name and is commonly used when performing a reverse DNS lookup?

PTR

What topology aims to balance redundancy with easier management and cost-effectiveness?

Partial Mesh

Cables in wiring closets commonly terminate on what?

Patch Panel

What type of network allows interconnected devices to share their resources with one another but would have issues regarding scalability?

Peer-to-Peer

Which layer of the OSI Model is concerned with how bits are represented on the medium?

Physical

Which type of twisted pair cable has an insulator that is fire retardant and minimizes the emission of dangerous fumes in the event of fire?

Plenum

Which Ethernet switch feature allows an Ethernet switch to make a copy of frames seen on one switch port and send those copies out of another Ethernet switch port? (NOTE: This feature is often used to allow a network analyzer connected to one switch port to see traffic present on a different switch port.)

Port Mirroring

What is the name of Layer 6 in the OSI Model?

Presentation

Which of the following network appliances is used to restrict clients from accessing certain URLs on the Internet?

Proxy Server

Which of the following standards specifies a type of coaxial cable used for short distance applications, such as carrying composite video between two nearby devices, and has a characteristic impedance of 75 Ohms?

RG-59

Which of the following standards specifies a type of coaxial cable commonly used by local cable companies to connect individual homes to the cable company's distribution network?

RG-6

Which of the following copper connector types is an eight-pin connector found in most Ethernet networks?

RJ-45

Most DHCP client devices on a network are dynamically assigned an IP address from a DHCP server (that is, dynamic addressing). However, some devices (for example, servers) might need to be assigned a specific IP address. What DHCP feature allows a static IP address to MAC address mapping?

Reservation

What topology could result in a lack of all communication capabilities with a single connection break?

Ring

What device is a Layer 3 device that is used to make forwarding decisions based on a Layer 3 address?

Router

What device operates at Layer 3 of the OSI model?

Router

What device would forward information using the following address as its primary information: 192.168.1.101?

Router

Which of the following devices creates a separate broadcast domain for each of its active interfaces by default?

Router

Which of the following is a voice over IP (VoIP) signaling protocol used to setup, maintain, and tear down VoIP phone calls?

SIP

Which of the following protocols is used to send e-mail to an e-mail server?

SMTP

Which of the following DNS record types provides authoritative information about a DNS zone (for example, the e-mail address of a DNS zone's administrator, the zone's primary name server, and various refresh timers)?

SOA

Which of the following protocols is used for transferring files with a remote host in a non-secure fashion and without requiring user credentials?

SSH

Which two of the following protocols are used to connect to a remote host via a terminal emulator?

SSH & Telnet

Which type of fiber optic connector is often referred to as a bayonet connector?

ST

Which of the following technologies is used by an application service provider (ASP) to give subscribers access to application software?

SaaS

A DHCP server uses a pool of addresses (which typically corresponds to a single subnet) to assign IP address to DHCP clients on a specific network segment. What is a common name for this pool of addresses?

Scope

In the modern LAN, what topology is often used with LAN switches and Ethernet connections?

Star

In the modern LAN, what type of device is typically used at the center of a star topology?

Switch

What device is a Layer 2 device that uses MAC address learning to intelligently forward traffic?

Switch

What device is used to create many different collisions domains, thus helping to eliminate collisions in the modern network?

Switch

What device would forward traffic based on an address such as 00:0a:95:9d:68:16?

Switch

What are the two primary protocols found at the Transport Layer of the TCP/IP Stack?

TCP & UDP

What is the primary difference between the TIA/EIA-568-A and TIA/EIA-568-B wiring standards?

The color coding

Which of the following can often be categorized as an encryption device (that is, a device capable of participating in an encrypted session)? (Choose three.)

VPN Concentrator Firewall Router

Which of the following network appliances performs the most processor-intensive tasks and is critical in IPSec environments?

VPN concentrator

Which of the following allows a user's data to be stored in a data center, rather than on a hard drive on the user's office computer?

Virtual Desktop

What virtual network component allows virtual servers located on the same physical server to be logically separated into different VLANs?

Virtual Switch

Consider the fully-qualified domain name (FQDN) http://sample.pearsonitcertification.com. What is the root domain in the FQDN?

com

A location within a building where network cables terminate is commonly called a(n) __________.

wiring closet