Chapter 6A Networking

Which of the following IP addresses belong to the Class A network 114.0.0.0? (Select three.) (Tip: Assume the network is indicated by the default Class A portion of the IP address.)

-114.122.66.12 -114.58.12.0 -114.0.0.15

Which of the following IP addresses have a default subnet mask of 255.255.0.0? (Select three).

-191.168.2.15 -129.0.0.1 -168.16.5.1

Which of the following IP addresses are Class C addresses? (Select three.)

-192.15.5.55 -222.55.0.0 -223.16.5.0

Which of the following is a valid IP address? (Select two.)

-2.2.2.2 -172.16.1.26

Which of the following are valid IPv6 addresses? (Select two.)

-6384:1319:7700:7631:446A:5511:8940:2552 -141:0:0:0:15:0:0:1

Which of the following statements about the Dynamic Host Configuration Protocol (DHCP) are true? (Select two.)

-A workstation must request addressing information from a DHCP server. -It can deliver a DNS server address in addition to the host IP address.

A windows workstation is configured to receive its IP configuration information from a DHCP server on the company network. The user at the workstation reports that she cannot use mail and is unable to reach the internet. Using the IPCONFIG command, you see that the workstation has been assigned the following special IP configuration: -IP Address: 169.254.0.1 -Subnet mask: 255.255.0.0 What is the special IP configuration called? ________________________________________________________________________Why did the workstation receive this type of configuration?

-Automatic Private IP Addressing (APIPA). -The workstation was unable to contact the DNS server.

What type of cabling can be used for an Ethernet 100Base-T (100 Mbps) network? (Select two.)

-Category 5 UTP. -Category 5e UTP.

You are the IT Technician for your company. Which of the following mechanisms would BEST allow you to resolve a hostname into its associated IP address? (Select TWO.)

-DNS -Hosts File

Which of the following describes an IPv6 address? (Select Two.)

-Eight hexadecimal quartets -128-bit address

Which of the following are advantages of using fiber optic cabling for a network, as opposed to other types of cabling? (Select two.)

-Greater cable distances without a repeater. -Immunity to a electromagnetic interface.

Which protocol are used on the Internet to transmit Web pages from Web servers to Web browsers running on client workstations? (Select two.)

-HTTP -HTTPS

Which of the following correctly describe the most common format for expressing IPv6 addresses? (Select Two.)

-Hexadecimal Numbers -32 numbers, grouped using colons.

Which of the following are characteristics of coaxial network cable? (Choose two.)

-It has a conductor made from copper in the center of the cable. -It uses two concentric metallic conductors.

Which of the following identifies the prefix component of an IPv6 address? (Select Two.)

-The first 64 bits of an IPv6 address. -The first 4 quartets of an IPv6 address.

Which of the following identifies the Interface ID Component of an IPv6 address?

-The last 64 bits of an IPv6 address -The last 4 quartets of an IPv6 address.

Which of the following is true of a network using the 1000Base-T standard? (Select two.)

-The network operates at one gigabit per second. -The network uses copper UTP cables.

Your network follows the 1000Base-T specifications for Gigabit Ethernet. Which of the following is the MAXIMUM cable segment length allowed?

100 Meters

Which type of fiber optic cable supports 10 Gigabit Ethernet with a maximum segment length of up to 40 km?

10GBaseER single-mode

You have a small home network that uses 192.168.1.0 with the default subnet mask for the network address. The default gateway address is 192.168.1.254 and the router is providing DHCP on the network. The Wrk2 computer has been assigned the IP address of 192.168.1.55. Which of the following is considered the loopback address for the Wrk2 computer?

127.0.0.1

Internet Message Access Protocol (IMAP)

143

Which of the following IP addresses ranges is reserved for Automatic Private IP Addressing?

169.254.0.1 - 169.254.255.254

Given that your Windows workstation has Automatic Private IP Addressing (APIPA) implemented using default settings, which of the following TCP/IP addresses could be automatically assigned to the system should your DHCP server go down or become inaccessible?

169.254.1.26

Secure Shell (SSH)

22

Service Location Protocol (SLP)

427

HTTP over SSL (HTTPS)

443

Server Message Block (SMB/CIFS) directly over TCP.

445

Apple Filing Protocol (AFP)

548

Hypertext Transfer Protocol (HTTP)

80

Which of the following is the best definition of LAN?

A network in a small geographic area, like an office.

A host wants to send a message to another host with the IP address 115.99.80.157. IP does not know the hardware address of the destination device. Which protocol can be used to discover the MAC address?

ARP

You have a computer with an onboard LAN adapter. The LAN adapter has failed and you are unable to connect the computer to the network. What should you do?

Add a network card using a PCI slot.

You have a user who takes his laptop home every day after work. When he's working in the office, the laptop must get an IP address from the DHCP server so you configure it to obtain IP and DNS information automatically. When he's working from home, the laptop must use IP and DNS information that connects with his home network. Which IP addressing method can you use to make sure he gets a network connection at home?

Alternate IP Configuration.

Can be used to connect wireless clients to wired clients on the same network.

Bridge

Which of the following is a valid MAC address?

C0-34-FF-15-01-8E

While sorting through a box of cables in your storage room, you find one that matches the configuration shown in the image. Which of the following BEST describes the type of cable configuration and the purpose for which it would be used?

Crossover cable configuration used to connect computers directly to one another for networking.

As the IT technician for your company, you need to ensure that the IP addresses are automatically assigned to hosts while at the same time preventing the same address from being assigned twice. Which of the following services would be BEST to use?

DHCP

You want to implement name resolution on the Linux workstations in your company. Which protocol will you use to do this?

DNS

Which TCP/IP configuration parameter identifies the router that is used to reach hosts on remote networks?

Default Gateway

Which of the following is a wired networking method most commonly used today by desktop PCs and other network devices to connect to a local area network.

Ethernet

Which of the following devices allows network communications to be transmitted over existing AC power lines?

Ethernet over Power

You have just signed up for a broadband home Internet service that uses coaxial cable. Which connector type will you most likely use?

F-Type

The following is an example of an IPv6 address: FEC0:1319:7700:F631:446A:551:CC40:25AB Which part of the example IPv6 is the prefix? ______________________________________________________________________________________________ Which quartet in the example IPv6 prefix is used to identify the subnet? ______________________________________________________________________________________________ Which part of the example IPv6 address is the interface ID? ______________________________________________________________________________________________

FEC0:1319:7700:F631 F631 446A:5511:CC40:25AB

Which of the following is a valid IPv6 address?

FEC0::AB:9007

You want to allow your users to download files from a server running the IP protocol. You want to protect access to the files by requiring user authentication to access specific directories on the server. Which IP protocol should you implement to provide this capability?

FTP

Which network type uses light pules to transmit data?

Fiber Optic

What is a major benefit of STP over UTP?

Greater resistance to interference.

You are using a crimper to attach an RJ-45 connector to a Cat 6 UTP cable. You need to use the T568A standard to connect the individual wires to the connector. Which wire should be connected to pin 1?

Green with White

Connects segments on the same subnet. Repeats signals out to all other ports.

Hub

Operates in half-duplex mode, meaning devices can either send or receive data at any given time.

Hub

Which of the following hardware devices regenerates a signal out all connected ports without examining the frame or packet contents?

Hub

You want use your Windows workstation to browse the wen sites on the Internet. You use a broadband DSL connection to access the Internet. Which network protocol must be installed on your workstation to do this?

IP

You are setting up a small network in your office with one Windows server and 50 Windows workstations. You want to spend as little time as possible configuring the workstations with IP addressing information. What should you do?

Install and configure the DHCP service on your server.

Which of the following best describes how a switch functions?

It connects multiple cable segments (or devices), and forwards frames to the appropriate segment.

Which of the following statements accurately describes how a modem works? (Select two.)

It demodulates analog data from a telephone network into digital PC data. It modulates digital data from the PC into analog data and transmits it on a telephone network.

A network in a small geographic area that typically uses wires to connect systems together.

Local Area Network (LAN)

A set of subnets connected to each other, typically by wires, using at least one router.

Local Area Network (LAN)

You have been asked to implement a network infrastructure that will accommodate failed connections. Which of the following network topologies provides redundancy for a failed link?

Mesh

You have implemented an ad-hoc wireless network that doesn't employ a wireless access point. Every wireless network card can communicate directly with any other wireless network card on the network. What type of physical network topology has been implemented in this type of network?

Mesh

You have a network that uses a logical bus topology. How do messages travel through the network?

Messages are broadcast to all devices connected to the network.

You have a network that uses a logical ring topology. How do messages travel through the network?

Messages travel from one device to the next until they reach the destination device.

A network that covers an area as small as a few city blocks to as large as an entire city.

Metropolitan Area Network (MAN)

A network that is typically owned and managed by a city as a public utility.

Metropolitan Area Network (MAN)

Cable lengths are limited in distance.

Multimode

Data transfers through the core using more than one light rays

Multimode

A medical center wants to upgrade their network backbone to 10-Gigabit Ethernet (10 Gbps) so they can perform daily backups of large amounts of data to secure on-site storage area network (SAN) without bogging down the network. Some of the backbone segments will have to reach between buildings that are close to 300 meters apart. Which of the following cable types BEST supports the 10-Gigabit Ethernet at the necessary segments lengths while keeping costs as low as possible?

Multimode Fiber Optic

Which network component connects a device to the transmission media and allows it to send and receive messages?

Network Interface Card

Which of the following protocols do e-mail clients use to download messages from a remote mail server?

POP3

Which of the following terms refers to a network resource sharing model that uses access control lists saved on each computer?

Peer-to-peer

A small network used for connecting devices, such as a notebook computer, a wireless printer, and a smartphone.

Personal Area Network (PAN)

You are installing networking cable in the air space between the ceiling and the roof of a building. Which type of cabling should you use?

Plenium

Which of the following devices can be used to distribute electrical power along with network data on twisted-pair Ethernet cabling (CAT 5 or higher)?

Power over Ethernet

Which kind of connector do you use to connect a modem to a standard telephone line?

RJ-11

Which connector is used with unshielded twisted pair (UTP) cable?

RJ-45

Connects two network segments that have different subnet addresses.

Router

Use the IP address within a packet to move packets between networks.

Router

You have recently been called to troubleshoot network connectivity problems at a user's workstation. You have found that the network cable runs across high-traffic areas on the floor, causing the cable to wear through and break. You have replaced the cable with a plenum rated, shielded, twisted pair cable. You would like to minimize the problem and prevent it from happening again. Which of the following will BEST protect the cable from further damage?

Run the cable through the ceiling area instead of across the floor.

What protocol is used to send e-mail messages from a mail client to a mail server?

SMTP

An 8-port switch receives a frame on port number 1. The frame is addressed to an unknown device. What will the switch do?

Send the frame out ports 2-8.

Cable lengths can extend a great distance.

Single mode

The core diameter is around 10 microns.

Single mode

Which of the following topologies connects each network device to a central hub?

Star

You have a host on your network that provides a service that requires the server to always use the same IP address. Which IP addressing method can you use to manually assign the specific IP address.

Static IP Addressing

Connects segments on the same subnet. Forwards signals to only the port connected to the destination device.

Switch

Operate in full-duplex mode, meaning devices can both send and receive data at the same time.

Switch

What device is used to create a physical star topology?

Switch

Which of the following LAN devices receives a signal on one port, and forwards that signal only to the port where the destination device is connected?

Switch

Which of the following best describes an IP address class?

The class defines the default network address portion of the IP address.

Which of the following describes the part of the IPv6 address that identifies the subnet address?

The last quartet in the IPv6 address prefix.

Which of the following situations is more likely to justify the investment in Category 6E cable instead of Category 6?

The work area has a lot of electromagnetic interference (EMI).

You are a software developer and you are creating a multimedia streaming application. Data will be streamed from your streaming clients over IP networks. Which transport protocol should your application use to send data between the clients and the server?

UDP

Which of the following protocols carry phone calls over an IP-based network?

VoIP

How do switches and bridges learn where devices are located on a network?

When a frame enters a port, the source MAC address is copied from the frame header.

A group of networks that are geographically isolated, but are connected to form a large internetwork.

Wide Area Network (WAN)

Similar to a standard LAN, but uses radio signals instead of wires to connect systems together.

Wireless Local Area Network (WLAN)