CCNA Discovery 1 Chapter 4 V4.0 Answers

DHomesb Chapter 4 – CCNA Discovery: Networking for Home and Small Businesses (Version 4.0)

1. What are three commonly followed standards for constructing and installing cabling? (Choose three.)

pinouts

cable lengths

connector color

connector types

cost per meter (foot)

tensile strength of plastic insulator

 

2. Which two places are most appropriate to use UTP cabling? (Choose two.)

between buildings

in a home office network

where EMI is an issue

in a cable TV network

inside a school building

in a manufacturing environment with hundreds of electrical devices

 

3. What is a major characteristic of asymmetric Internet service?

Download speeds and upload speeds are equal.

Download speeds are slower than upload speeds.

Upload speeds and download speeds are different.

Upload speeds and download speeds are irrelevant.

 

4. Which three elements are required to successfully connect to the Internet? (Choose three.)

an IP address

file sharing enabled

a network connection

server services enabled

access to an Internet service provider

an address obtained directly from the RIR

 

5. Which device can act as a router, switch, and wireless access point in one package?

hub

bridge

modem

repeater

ISR

 

6. What are two common causes of signal degradation when using UTP cabling? (Choose two.)

installing cables in conduit

having improper termination

losing light over long distances

installing low quality cable shielding

using low quality cables or connectors

 

7. What is the term for the group of high-speed data links that interconnect ISPs?

Internet LAN

ISP backbone

Internet gateways

Internet providers

Internet backbone

 

8.

Refer to the graphic. What type of cable is shown?

crossover

eight coax channels

multimode fiber

single-mode fiber

straight-through

 

9.

Refer to the graphic. What type of cabling is shown?

STP

UTP

coax

fiber

 

10. What type of connection point is a point of presence (POP)?

between a client and a host

between two local networks

between a computer and a switch

between an ISP and a home-based LAN

 

11.

Refer to the graphic. What type of cabling is shown?

STP

UTP

coax

fiber

 

12. What does the tracert command test?

NIC functionality

the ISP bandwidth

the network path to a destination

the destination application functionality

 

13. Why would an ISP require a CMTS device on their network?

to connect end users using cable technology

to connect end users using analog technology

to connect end users using wireless technology

to connect end users using digital subscriber line technology

 

14. What term describes each router through which a packet travels when moving between source and destination networks?

NOC

ISP

hop

segment

 

15. What connector is used to terminate Ethernet unshielded twisted pair (UTP) cabling?

ST

BNC

RJ-11

RJ-45

 

16. What are three characteristics of business class ISP service? (Choose three.)

fast connections

extra web space

free Windows upgrade

cheapest cost available to all users

additional e-mail accounts

replacement hardware at no cost

 

17. What type of end-user connectivity requires that an ISP have a DSLAM device in their network?

analog technology

cable modem technology

digital subscriber line technology

wireless technology

 

18. Which definition describes the term Internet?

a group of PCs connected together on a LAN

a group of PCs connected together by an ISP

a network of networks that connects countries around the world

a worldwide collection of networks controlled by a single organization

 

19. What are two advantages of cable management? (Choose two.)

requires no preplanning

aids in isolation of cabling problems

protects cables from physical damage

provides compliance with future standards

provides a short-term solution for cable installation

 

20. Which two characteristics describe copper patch panels? (Choose two.)

uses RJ-11 jacks

uses RJ-45 jacks

supports only data transmissions

allows quick rearrangements of network connections

forwards transmissions based on MAC addresses

 

21. What does adherence to cabling standards ensure?

data security

no loss of signal

no electromagnetic interference

reliable data communications