Networking Infrastructure

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A high-speed, packet-switching technique that uses short fixed-length packets called cells, andcan transmit voice, video, and data over a variable-speed LAN and WAN connections, is bestdescribed by which one of the following?

1 point

ISDN

Frame Relay

FDDI

ATM

Clear selection

At AAA Tool and Die, Larry supports a Windows 2000 Professional client using dynamic updatefor name resolution. He can't ping the client using its hostname and would like to force DNSregistration from a command prompt. What is the command for this?

1 point

dnsconfig /register

ipconfig /registerdns

ipconfig /register

ipconfig /registration

Clear selection

What operating system was a joint venture between IBM and Microsoft and was eventuallyreleased as an IBM operating system?

1 point

OSX

Solaris

Windows NT

OS/2

Clear selection

What protocol suite has Macintosh primarily used historically?

1 point

SAMBA

IPX/SPX

TCP/IP

Appletalk

Clear selection

Which is a specialized gateway for ISDN?

1 point

Terminal Adapter

Gateway

CSU

DSU

Clear selection

Which one of the following is considered dedicated?

1 point

Ethernet

Dialup

DSL

PSTN

Clear selection

What does theVv.92 protocol refer to?

1 point

DSL

56kbit/s dial-up

28.8kbit/s dial-up

ISDN

Clear selection

In most situations, wireless LANs use a central device, called a(n) ____, to control communications.

1 point

access point

concentrator

hub

switch

Clear selection

Which one of the following network types is easiest to add new nodes to?

1 point

Star

Mesh

Bus

Ring

Clear selection

____________ offers the longest possible segment length.

1 point

Shielded twisted-pair cabling

Fiber-optic cabling

Unshielded twisted-pair cabling

Coaxial cable

Clear selection

What is the name of the executable for Microsoft Backup for DOS?

1 point

MSBKUP.EXE

MSBACKU.EXE

BACKUP.EXE

MWBACKUP.EXE

Clear selection

What is another name for IEEE 802.3?

1 point

CSMA/CD LAN

Logic link control

Token passing

Token Ring LAN

Clear selection

The Hardware Compatibility List (HCL) lists hardware that has been tested with Windows2000. If your hardware is not on the HCL, what should you do?

1 point

Reload your Windows 95 or 98 drivers.

Contact the vendor and get updated Windows 2000 drivers.

Reinstall the device. The correct driver will load automatically.

Download an updated HCL from Microsoft, which will then include the drivers for any device on your PC.

Clear selection

What is the public key encryption system that can verify the authenticity of an e-mail sender and encrypt e-mail data in transmission?

1 point

PGP

SSL

SSH

Kerberos

Clear selection

What device on a network acts as an intermediary between a client and server and evaluates the requests according to rules?

1 point

Antivirus

Router

Proxy server

Anti-spyware

Clear selection

Which one of the following terms is not used to describe a network's physical layout?

1 point

map

topology

diagram

architecture map

Clear selection

Which one of the following authentication protocols supports the use of smart cards?

1 point

EAP

SPAP

MS-CHAP

MS-CHAP2

Clear selection

A physical star topology consists of several workstations that branch off a central device called a:

1 point

hub

repeater

brouter

router

Clear selection

What is the net bit rate (maximum) as specified by 802.11n?

1 point

11Mbit/s

54Mbit/s

600Mbit/s

6000Mbit/s

Clear selection

Which network operating system was developed from the VMS platform?

1 point

NetWare

UNIX

Windows 95

Windows NT

Clear selection

Which operating system was originally developed by Bell Labs and has multitasking, multiuser, and built in networking capabilities?

1 point

UNIX

Windows 95

Windows NT

NetWare

Clear selection

Which of the following is NOT a layer in the OSI model?

1 point

physical

transport

network

data transmission

Clear selection

What does EPROM stand for?

1 point

Enhanced programmable read only memory

Erasable programmable read out memory

Enhanced permanent read only memory

Erasable programmable read only memory

Clear selection

What is the best tool to determine where a break has occurred in a cable?

1 point

a tone generator

a spectrum division analyzer

a time domain reflectometer

a fox and hound

Clear selection

Which of the following will you NOT need prior to installing DNS?

1 point

the DHCP address scope

your domain name

the hostnames of each server

the IP address of each server for which you want to provide name resolution

Clear selection

Where can you go to obtain the latest driver for a device?

1 point

the CD that came with the product

the Resource Kit

the manufacturer’s web site

the Knowledge Base

Clear selection

When software vendors want to update their software in a major way and bring out a new version which is sometimes free or sometimes costs money, it is called a(n)

1 point

update

upgrade

upload

patch

Clear selection

What is the technical computer term for a situation in which another system’s electrical interference causes performance degradation of a computer?

1 point

attenuation

EMI

cross-talk

plenum

Clear selection

What Block Cipher Mode encrypts each block individually during the encryption process?

1 point

Electronic Codebook (ECB)

Cipher Block Chaining (CBC)

Cipher Feedback Mode (CFB)

none of the above

Clear selection

How many B channels are available in a typical ISDN PRI?

1 point

Clear selection

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