COM3704 EXAM PACK 2023
The use of ________ encryption creates a secure VPN.
a. tunneled
b. covered
c. buried
d. routed
Which of of the following is emerging as the WAN Link-layer implementation of choice?
a. MPLS
b. ATM
c. PPP
d. Frame Relay
e. Ethernet
In wireless communication, ...
1). The use of ________ encryption creates a secure vpn.
a. tunneled
b. covered
c. buried
d. routed
Ans: a. tunneled
2). Which of of the following is emerging as the wan link-layer implementation of choice?
a. mpls
b. atm
c. ppp
d. frame relay
e. ethernet
Ans: a. MPLS
3). In wireless communication, the term ism stands for:
a. industrial, scientific and medical
b. integrity, solidarity and method
c. insight, sincerity and might
d. intelligence, self-confidence and merit
Ans: a. industrial, scientific and medical
4). Wireless lan technologies are defined by the ____ group of standards.
a. ieee 802.15
b. itu x.25
c. ieee 802.16
d. ieee 802.3
e. ieee 802.11
Ans: e. IEEE 802.11
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, 5). Ieee 802.11ac uses a technique known as mimo. what does mimo involve?
a. multiple input and output carrier frequencies
b. multiple input and output bandwidths
c. distance
d. multiple input and output antennas
e. multiple input and output modulations
Ans: d. Multiple input and output antennas
6). As a barrier between the outside world and the enterprise, a(n) ________ is configured to
keep out unauthorized individuals who are attempting to attack or penetrate the enterprise.
a. cipher
b. certificate
c. firewall
d. infrastructure
Ans: c. firewall
7). Frame relay differs from atm in that: (check all that apply.)
frame relay has a payload capacity of 16,000 octets whereas atm is limited 48 octets
frame relay is slower than atm
frame relay is less expensive than atm
frame relay has a variable siz payload whereas atm has a fixed sized payload
Ans: Frame Relay has a payload capacity of 16,000 octets whereas ATM is limited 48
octets
Frame Relay is slower than ATM
Frame Relay is less expensive than ATM
Frame Relay has a variable siz payload whereas ATM has a fixed sized payload
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