Chapter 15 Flashcards

(28 cards)

1
Q
Which of the following is a group of computers located in a small area?
❍ A. LAN
❍ B. WAN
❍ C. PAN
❍ D. MAN
A

❍ A. LAN

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2
Q
Which of the following are most often used to connect a group of computers in a
LAN? (Select the two best answers.)
❍ A. Hub
❍ B. Switch
❍ C. Bridge
❍ D. WAP
A

❍ B. Switch

❍ D. WAP = wireless access point

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3
Q
What device contains multiple hard drives and is connected directly to the network?
❍ A. Internet appliance
❍ B. Router
❍ C. NAS
❍ D. Firewall
A

❍ C. NAS = network attached storage

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4
Q
Which of the following allows voice communication over IP-based networks?
❍ A. Firewall
❍ B. Modem
❍ C. NAS
❍ D. VoIP
A

❍ D. VoIP = Voice Over Internet Protocol

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5
Q
What network topology is the most common?
❍ A. Ring
❍ B. Star
❍ C. Bus
❍ D. Mesh
A

❍ B. Star

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6
Q
What network topology combines the characteristics of two other topologies?
❍ A. Hybrid
❍ B. Star
❍ C. Bus
❍ D. Mesh
A

❍ A. Hybrid

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7
Q

Which of the following network devices moves frames of data between a source
and destination based on their MAC addresses?
❍ A. Hub
❍ B. Switch
❍ C. Router
❍ D. Modem

A

❍ B. Switch

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8
Q
Which of the following would be suitable for 1000 Mbps networks? (Select all
that apply.)
❍ A. Category 3
❍ B. Category 5
❍ C. Category 5e
❍ D. Category 6
A

❍ C. Category 5e

❍ D. Category 6

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9
Q
Which type of cable would you use if you were concerned about EMI?
❍ A. Plenum-rated
❍ B. UTP
❍ C. STP
❍ D. Coaxial
A

❍ C. STP = Shielded Twisted Pair

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10
Q
Which type of cable can connect a computer to another computer directly?
❍ A. Straight-through
❍ B. Crossover
❍ C. Rolled
❍ D. 568B
A

❍ B. Crossover

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11
Q
Which of the following cables has a core diameter of 62.5 microns?
❍ A. Single-mode
❍ B. Category 6
❍ C. Multimode
❍ D. STP
A

❍ C. Multimode

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12
Q
Which connector would you use for cable Internet?
❍ A. LC
❍ B. F-connector
❍ C. BNC
❍ D. RJ45
A

❍ B. F-connector

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13
Q
Which tool would you use to test a network adapter not connected to the network?
❍ A. Punch down tool
❍ B. Cable tester
❍ C. Loopback plug
❍ D. Tone and probe
A

❍ C. Loopback plug

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14
Q
Which protocol uses port 22?
❍ A. FTP
❍ B. TELNET
❍ C. SSH
❍ D. HTTP
A

❍ C. SSH

FTP = port 21
TELNET = port 23
HTTP = Port 80
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15
Q
Which of these addresses needs to be configured to enable a computer access
to the Internet or to other networks?
❍ A. Subnet mask
❍ B. Gateway address
❍ C. DNS address
❍ D. MAC address
A

❍ B. Gateway address

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16
Q
The IP address 128.0.0.1 would be part of what IPv4 class?
❍ A. Class A
❍ B. Class B
❍ C. Class C
❍ D. Class D
A

❍ B. Class B

17
Q
What technology assigns addresses on the 169.254.0.0 network number?
❍ A. DHCP
❍ B. Static IP
❍ C. APIPA
❍ D. Class B
A

❍ C. APIPA = Automatic Private ID addressing

18
Q
What type of IPv6 address is commonly assigned to client computers?
❍ A. Unicast
❍ B. Anycast
❍ C. Multicast
❍ D. FF00
A

❍ A. Unicast

19
Q
You want to test the local loopback IPv6 address. Which address would you use?
❍ A. 127.0.0.1
❍ B. ::1
❍ C. FE80::/10
❍ D. ::0
20
Q
Which of these would be used for streaming media?
❍ A. TCP
❍ B. RDP
❍ C. UDP
❍ D. DHCP
A

❍ C. UDP = user datagram protocol

21
Q
Which port is used by the IMAP protocol?
❍ A. 53
❍ B. 80
❍ C. 110
❍ D. 143
A

❍ D. 143

Port 53 = DNS
Port 80 = HTTP
Port 110 = POP3

22
Q
Which protocol sends and receives information in an encrypted manner by default?
❍ A. FTP
❍ B. HTTP
❍ C. HTTPS
❍ D. POP3
A

❍ C. HTTPS = Hypertext Transfer Protocol Secure

23
Q

Which IP address can be a gateway for a computer using the IP address
10.58.64.192 and a subnet mask of 255.255.255.0?
❍ A. 10.58.64.255
❍ B. 10.58.64.1
❍ C. 10.58.64.0
❍ D. 10.59.64.1

A

❍ B. 10.58.64.1

Cannot use the 1 number (0) or the last (255) so one would be the logical place to start

24
Q
Which Internet service makes use of PSTN?
❍ A. Dial-up
❍ B. ISDN
❍ C. DSL
❍ D. Cable Internet
A

❍ A. Dial-up

25
``` Which Internet service is wireless and has a range of 50 kilometers? ❍ A. Fiber optic ❍ B. WiMAX ❍ C. Satellite ❍ D. Wi-Fi ```
❍ B. WiMAX
26
``` Which 802.11 version has a maximum data rate of 54 Mbps and uses the 2.4 GHz frequency range? ❍ A. 802.11a ❍ B. 802.11b ❍ C. 802.11g ❍ D. 802.11n ```
❍ C. 802.11g
27
``` Which of the following forwards an external network port to an internal IP address/port on a computer on the LAN? ❍ A. Port triggering ❍ B. Port forwarding ❍ C. DMZ ❍ D. WPS ```
❍ B. Port forwarding
28
``` Which of the following is described as the simultaneous sending and receiving of network data? ❍ A. Half-duplex ❍ B. Latency ❍ C. PoE ❍ D. Full-duplex ```
❍ D. Full-duplex