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Chapter 21 - Local Area Networking
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1
What identifies a PC on a network?
A)default gateway
B)DNS
C)IP address
D)subnet mask
2
What is used to add Bluetooth support to older PCs?
A)Bluetooth transceiver
B)external USB Bluetooth adapter
C)network adapter
D)wireless access point
3
What is another name for the Service Set Identifier parameter?
A)network address
B)network name
C)network path
D)network protocol
4
Which of the following utilities enables a machine to check whether or not it can communicate with another machine?
A)IPCONFIG
B)Ping
C)Sys
D)TELNET
5
5. What is the default subnet mask for Class C addresses?
A)255.0.0.0
B)255.255.0.0
C)255.255.255.0
D)255.255.255.255
6
Which of the following utilities shows the route that a packet takes to get to its destination?
A)IPCONFIG
B)NSLOOKUP
C)Ping
D)TRACERT
7
Most WAPs support filtering in which data packets that do not contain the appropriate address are rejected. What kind of address is filtered?
A)MAC
B)SSID
C)WEP
D)WPA
8
Which of the following provides a security improvement in WPA addresses over WEP?
A)EAP
B)IrDA
C)SWAP
D)TCP/IP
9
Which of the following wireless networking standards supports data throughput of up to 11 Mbps?
A)802.11a
B)802.11b
C)802.11c
D)802.11g
10
What is the theoretical maximum range of the 802.11a wireless networking standard?
A)150 feet
B)200 feet
C)250 feet
D)300 feet
11
At what frequency range does the 802.11a-based wireless technology operate?
A)7 GHz
B)5 GHz
C)3 GHz
D)1 GHz
12
At what frequency range do the 802.11b- and 802.11g-based wireless technologies operate?
A)2.4 GHz
B)3.4 GHz
C)4.4 GHz
D)5.4 GHz
13
What is the speed at which the 802.11g wireless technology transfers data?
A)11 Mbps
B)20 Mbps
C)54 Mbps
D)64 Mbps
14
What is the central connection point for a wireless network working in infrastructure mode?
A)EAP
B)WAP
C)WEP
D)WPA
15
What is the maximum segment length of 10Base2 cable?
A)11 meters
B)20 meters
C)185 meters
D)210 meters
16
What is the maximum number of devices per segment supported by Thin Ethernet?
A)20
B)30
C)40
D)50
17
What connector is used to connect Thicknet to a PC’s network card?
A)15-pin DB
B)16-pin DB
C)20-pin DB
D)30-pin DB
18
What is the maximum length of a Thicknet segment?
A)400 meters
B)500 meters
C)600 meters
D)700 meters
19
What is used to connect devices to Thicknet?
A)15-pin DB-type connector
B)BNC connector
C)Digital, Intel, Xerox (DIX) connector
D)vampire connector
20
What is the maximum capacity for data transfer between infrared devices?
A)1 Mbps
B)2 Mbps
C)3 Mbps
D)4 Mbps
21
Which of the following represents a security improvement in WPA2 over WEP and WPA?
A)EAP
B)IrDA
C)AES
D)TCP/IP
22
Of the following, which standard uses UTP cabling?
A)10*BaseT
B)10Base2
C)10Base5
D)10Base7
23
Which of the following STP types is a patch cable normally used for connecting hubs?
A)Type 1
B)Type 3
C)Type 6
D)Type 8
24
Which of the following STP types is a flat STP used under carpets?
A)Type 1
B)Type 3
C)Type 6
D)Type 8
25
What is the Wi-Fi Protected Access 2 (WPA2) standard also known as?
A)802.11a
B)802.11b
C)802.11g
D)802.11i
26
How many bits does WEP encryption use to scramble data packets?
A)20
B)30
C)40
D)50
27
What must be plugged into the end of a bus cable to prevent packets from being reflected?
A)coaxial cable
B)terminator
C)unshielded twisted pair (UTP) cable
D)vampire connector
28
What is the standard connector used for UTP Ethernet installations?
A)BNC
B)RJ-11
C)RJ-45
D)Token Ring
29
What device centrally connects wireless network nodes in the same way that a hub connects wired Ethernet PCs?
A)network interface card
B)network operating system
C)Service Set Identifier
D)wireless access point
30
What is the default subnet mask for Class A addresses?
A)255.0.0.0
B)255.255.0.0
C)255.255.255.0
D)255.255.255.255





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