A+ Certification

Front 1

Which protocol was developed to be a secure alternative to Telnet?

Back 1

SSH - Secure Shell - Port 22

Front 2

802.11G- Maximum indoor range and outdoor range

Back 2

40-140 Meters

Front 3

What is the default subnet mask of a Class A network?

Back 3

/8 and 255.0.0.0

Front 4

What are some benefits of coaxial cables over UTP (Unshielded Twisted Pair cabling)?

Back 4

Coaxial cables stretch for longer distances, are more rugged, and are immune to EMI

Front 5

What wireless network communication standard would you employ if you need high-bandwidth wireless communication?

Back 5

Ethernet

Front 6

What is the first step a tech should take in securing a SOHO wireless/wired router using appropriate settings?

Back 6

Change the administrative password.

Front 7

You are running an 802.11g router in mixed mode. You have three NICs using the router. A new user connects using 802.11b wireless NIC. What will happen?

Back 7

The new user with 802.11b communicate at 802.11b speeds (11 Mbps) with both the router and the other users. The 802.11 G users will communicate at 802.11G speeds (56 Mbps)

Front 8

Which of the following security standards was the first to introduce a dynamic 128-bit per-packet security key?

Back 8

TKIP - Temporal Key Integrity Protocol

Front 9

On a home network, which of the following devices would be the most common to be placed in a DMZ (Demarcation Zone)?

Back 9

Gaming Server

Front 10

For a home user, what uses a wizard to quickly and easily setup a secure wireless network?

Back 10

WPS - WiFi Protected Setup - secures a home network using WPA/WPA2 (WPS is not recommended due to security weaknesses

Front 11

Which of the following are considered 4G standards?

Back 11

LTE and WiMax

Front 12

Common TCP ports associated with a web site include...?

Back 12

HTTP - 80
HTTPS - 443
Web site Administration - 443

Front 13

Which of the following protocols uses TCP port 23?

Back 13

Telnet

Front 14

Your friend is concerned with the security of online purchases. What should you look for in an address bar to ascertain that you are securely connected?

Back 14

HTTPS

Front 15

Which of the following IP addresses would not be valid for a DNS server on the internet?

Back 15

10.25.11.33 - lies in a private address space

Front 16

_____ is immune to electromagnetic or radio-frequence interference.

Back 16

Fiber-optic cabling

Front 17

Of all the network cabling options, _____ offers the longest possible segment length.

Back 17

Fiber-optic

Front 18

In which network design do users access resources from other workstations rather than from a central location?

Back 18

Peer - to - peer

Front 19

Wireless Personal Area Network

Back 19

Bluetooth

Front 20

What type of device will block unwanted traffic from your network using a set of rules called an ACL (Access Control List)?

Back 20

Firewall

Front 21

What type of cable is recommended for digital television cable signals?

Back 21

RG-6

Front 22

Which of the following devices work at Layer 2 of the OSI model?

Back 22

Bridges and Switches

Front 23

When enabled, what feature of a wireless router allows only specified computers to access the network?

Back 23

MAC filtering

Front 24

What WAN technology uses a circuit switching technology?

Back 24

ISDN - Integrated Services Digital Network

Front 25

Which WAN technology has the greatest latency?

Back 25

Satellite

Front 26

Which WAN technology uses a telephone cable?

Back 26

POTS - Plain Old Telephone Service
DSL - Digital Subscriber Technology

Front 27

Which WAN technology uses a fiber optic cable?

Back 27

SONET - Synchronous Optic Networking
SDH - Synchronous Digital Hierarchy

Front 28

What are VLANs/LANs?

Back 28

Broadcast Domain

Front 29

LAN

Back 29

Local Area Network

Front 30

VLAN

Back 30

Virtual Local Area Network

Front 31

LANs use ____ to connect to other PCs?

Back 31

Switches

Front 32

LANs are limited to ____

Back 32

a building

Front 33

IPv4 has a 32 bit or 64 bit address space?

Back 33

32 bit

Front 34

IPv6 has a 32, 64, or 128 bit address space?

Back 34

128 bit

Front 35

What feature of a wireless router allows only specified computers to access the network?

Back 35

MAC Filtering

Front 36

What protocol is used for secure delivery of email?

Back 36

IMAP4

Front 37

Which of the following is an IPv6 broadcast address?

Back 37

IPv6 does not have broadcast addresses, IPv6 does have multicast, which are like targeted broadcasts. FF:: is the first part of a multicast address.

Front 38

You want computers to be able to connect to each other by using hostnames. What service accomplishes this?

Back 38

DNS - Dynamic Naming System

Front 39

What hybrid network topology is used for fault tolerance in which all computers must connect to each other....

Back 39

Mesh

Front 40

Give examples of a ring topologies

Back 40

SONET, FDDI, and Token Ring

Front 41

Which topology uses the least cable?

Back 41

Bus

Front 42

Looking at IP classes, which address class includes a diagnostic network?

Back 42

A

Front 43

What address class does 171.226.18.1 belong to?

Back 43

Class B

Front 44

What are some advantages to using dial-up?

Back 44

Low cost and broad availability

Front 45

What are some steps required if a corporation needs to reserve 1000 IP addresses?

Back 45

Subnet a Class B Network, Supernet a Class C, Subnet a Class A network

Front 46

Which OSI layer signals "all clear" by making sure the data segments are error free?

Back 46

Transport layer

Front 47

You have set up a wireless router on your network and configured it to use AES. What configuration option do you need for the client computers?

Back 47

WPA2

Front 48

What functions do network devices have?

Back 48

Telephony, Security, and Connectivity