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
PaperStoc.com Page 1 of 13
, 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
PaperStoc.com Page 2 of 13
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through EFT, credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying this summary from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Academik001. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy this summary for R221,61. You're not tied to anything after your purchase.
