Chapter Quiz 8-9-10

Question 1

A directional antenna issues wireless signals along a(n) ____ direction
a. open
b. wide
c. narrow
d. single

Answer 1

d. single

Question 2

In ____ scanning, the station transmits a special frame, known as a probe, on all available channels within its frequency range.
a. active
b. fixed
c. passive
d. open

Answer 2

a. active

Question 3

An 802.11g antenna has a geographic range of __ meters.
a. 20
b. 300
c. 100
d. 330

Answer 3

b. 100

Question 4

__ is an 802.11n network feature allowing the combination of multiple frames into one larger frame.
a. Channel bonding
b. Frame aggregation
c. Channel aggregation
d. Frame bonding

Answer 4

b. Frame aggregation

Question 5

Clients are able to exchange signals with satellites as long as they have a __ path.
a. view
b. proprietary
c. line-of-sight
d. directional

Answer 5

c. line-of-sight

Question 6

In classful addressing, the Class B IPv4 address network ID is located in the ____.
a. last 8 bits
b. first 8 bits
c. last 16 bits
d. first 16 bits

Answer 6

d. first 16 bits

Question 7

The result from ANDing 11001111 with 10010001 is ____.
a. 11001111
b. 10000001
c. 10010001
d. 00000001

Answer 7

b. 10000001

Question 8

When using classful IPv4 addressing, a network ID always ends with an octet of ____.
a. 0
b. 1
c. 00000000
d. 255

Answer 8

a. 0

Question 9

SMTP operates from port __.
a. 25
b. 110
c. 11
d. 250

Answer 9

a. 25

Question 10

An administrator can discover the host name assigned to a client by using the ____ utility.
a. host
b. hostname
c. nbstat
d. nslookup

Answer 10

b. hostname

Question 11

Each VM is known as a __.
a. guest
b. client
c. host
d. node

Answer 11

a. guest

Question 12

Upon creation, each vNIC is automatically assigned a ____.
a. MAC address
b. block address
c. switch address
d. reference address

Answer 12

a. MAC address

Question 13

In the NAT networking mode, a vNIC relies on the __ to act as a NAT device.
a. guest machine
b. host machine
c. reference machine
d. management machine

Answer 13

b. host machine

Question 14

__ are wide area networks that are logically defined over public transmission systems.
a. VPNs
b. Private lines
c. Leased lines
d. Dial-up lines

Answer 14

a. VPNs

Question 15

In __, each datagram can follow one of many paths to reach its destination.
a. circuit switching
b. packet switching
c. line switching
d. data switching

Answer 15

b. packet switching

Question 16

The use of multiple frequencies to transmit a signal is known as ____________________ technology.
(fill in the blank)

Answer 16

what is Multiplexing

Question 17

____________________ is a standard for encoding and interpreting binary files, images, video, and non-ASCII character sets within an e-mail message.
(fill in the blank)

Answer 17

what is Multipurpose Internet Mail Extensions (MIME)

Question 18

A(n) ____________________ is a logically defined device that operates at the Data Link layer to pass frames between nodes.
(fill in the blank)

Answer 18

what is a virtual switch

Question 19

____________________ refers to the flexible provision of data storage, applications, or services to multiple clients over a network.
(fill in the blank)

Answer 19

what is cloud computing