8/6/2019 ch8 - IT1 - v4.0 - 89.6%

http://slidepdf.com/reader/full/ch8-it1-v40-896 1/5

Which utility can be used to determine end-to-end connectivity between source and destination?

Ipconfig

Nbstat

Netstat

Ping

2Which term describes the process of adding headers to data as it moves through the layersmodel?

demultiplexing

encapsulation

encoding

encryption

segmentation

3 Which type of ISDN service provides only two B channels and one D channel for call setup?

ADSL

BISDN

BRI

IDSL

PRI

SDSL

4Which two characteristics describe Ethernet technology? (Choose two.)**

supported by IEEE 802.3 standards

supported by IEEE 802.5 standards

typical data transfer rates average 16 Mbps

uses a logical bus topology

uses a logical star topology

5 A network administrator wants to connect a new building to an existing network using cable t

provide a secure connection and is not susceptible to electrical interference. The new buildinapproximately 800 meters away from the existing network. Which cable type should the admchoose?

Category 5 STP

Category 6 UTP

coaxial

fiber optic

6What is the maximum range a data signal can travel through a 1000BASE-T network segme

3280 ft (1000 m)

1640 ft (500 m)

8/6/2019 ch8 - IT1 - v4.0 - 89.6%

http://slidepdf.com/reader/full/ch8-it1-v40-896 2/5

984 ft (300 m)

607 ft (185 m)

328 ft (100 m)

7 Which two factors are used to determine the different categories of UTP cabling? (Choose t

The distance a signal can travel through the cable.

The number of twists in the wires inside the cable.

The number of wires inside the cable.

The type of shielding used inside the cable.

The type of connectors required to terminate the cable.

8Which device interconnects computers without segmenting the network?

bridge

hub

router 

switch

9 A user can access the devices on the LAN but is unable to access anything on the Internet.checking the address of the computer, the network administrator notes that the computer haassigned an unusual address of 169.254.2.1. Which service dynamically assigned this addrecomputer?

APIPA

ARP

DHCP

DNS

ProxyARP

TCP/IP

10Which layer of the OSI model is primarily concerned with accessing the physical media andaddressing?

Application

Data Link

Network

Physical

Presentation

11 Which three factors are reasons to choose a client/server model for a network instead of pee(Choose three.)

The network is small with less than eight users.

The company network requires secure access to confidential information.The users need a central database to store inventory and sales information.

8/6/2019 ch8 - IT1 - v4.0 - 89.6%

http://slidepdf.com/reader/full/ch8-it1-v40-896 3/5

Each user understands how to safely share files across a network.

The data gathered by the employees is critical and should be backed up on a regular ba

All employees passed a strict background check as part of the corporate hiring practices.

12 A company has a remote branch office that has no access to any high-speed WAN or broadservices. The network administrator is considering PLC to connect the branch office to the mWhat are three advantages of PLC? (Choose three.)

It is less expensive than using an analog modem.

It can provide dedicated connections with speeds exceeding most WAN technologies.

It can provide bandwidth in excess of the bandwidth provided by analog modems.

It requires no control wiring for electrical devices at the customer premises.

It can carry both voice and data signals across power lines.

It provides a more secure network connection through the use of encryption technologie

13 Which wireless IEEE standard operates in a radio frequency of 2.4 GHz and supports a maxibandwidth of 54 Mbps?

802.11a

802.11b

802.11g

802.11z

14

Refer to the exhibit. Which type of network cable is shown?

10BASE5

10BASE-T

Category 5 UTP

Category 6 STP

8/6/2019 ch8 - IT1 - v4.0 - 89.6%

http://slidepdf.com/reader/full/ch8-it1-v40-896 4/5

fiber-optic

15 The network administrator for a marketing company is concerned about the performance of tnetwork. A company technician discovers a high volume of network traffic between PCs and

departmental media server. Which two devices could be used to divide the network and impr performance? (Choose two.)

bridge

hub

repeater 

switch

wireless access pointsA network technician has been asked to extend network connectivity to the basement of the company building. The basement isroom with concrete walls and flooring. Which solution provides the easiest way to extend network connectivity to the basement?

Run multimode fiber optic cabling to the basement from outside the basement walls.

Run coaxial cable to the basement through conduit.

Use wireless access points to connect the computers in the basement to the rest of the network.

Run UTP cabling through conduits to interconnect all the computers in the basement.

17

Which Windows XP command displays the route taken by packets crossing an IP network?

iproute

netview

nslookup

ping

tracert

18 What is a disadvantage of using VoIP?

It requires broadband support.

It requires an analog phone service.

It requires special phone numbers and extensions.

It requires Internet connectivity for phone service.

It requires special cabling.

19

Which type of coaxial cable is the best option for distributing high-bandwidth signals from a rooftop antenna, cable TV servisatellite dish with the least interference?

RG-6

RG-59

Thicknet or 10BASE5

Thinnet or 10BASE2

20 How do hosts waiting to transmit data react to a collision on a CSMA/CD network?

Computers involved in the collision have priority to retransmit data.

Computers listen to the network wire for a chance to send data at the end of the backoff period.

8/6/2019 ch8 - IT1 - v4.0 - 89.6%

http://slidepdf.com/reader/full/ch8-it1-v40-896 5/5

Computers that were not involved in the collision will send an all-clear signal through the network.

Computers involved in the collision send a jam signal through the network to clear the collision.

21

Which physical topology provides the highest redundancy?

bus

extended star 

mesh

ring

star 

22 Which topology has only one central point of failure, is easy to troubleshoot, and is most commonly implemented in newer n

bus

mesh

ring

star 

23

Which digital technology provides an upstream speed that is typically less than the downstream speed?**

ADSL

HDSL

IDSL

SDSL