Data Communication and Networking – Local Area Networks (LAN) – FDDI MCQs

This set of Data communication and Networking Multiple Choice Questions and Answers (MCQs) focuses on “Local Area Networks LAN – FDDI ”.
 

1
. An FDDI LAN can use _______ as a medium.
  • any metallic cable
  • copper cable
  • fiber optic cable
  • b or c
2
. Token Ring and FDDI both use _______ as an access method.
  • CSMA
  • CSMA/CD
  • token passing
  • HDLC
3
. An FDDI synchronous data frame means that _______.
  • the information is real-time
  • the information is not real-time
  • the information comes from the SDLC protocol
  • the information is time-division multiplexed
4
. Each station on an FDDI ring has a _______ register while there is just one _______ register for the entire FDDI ring
  • SA; TTRT
  • TTRT; SA
  • AMT; SA
  • SA; TRT
5
. The _______ register holds a value equal to twice the _______.
  • AMT; TTRT
  • TTRT; AMT
  • AMT; SA
  • TTRT; SA
6
. If a token traverses the FDDI ring in a time greater than the _______, the ring gets reinitialized
  • SA
  • TTRT
  • TRT
  • AMT
7
. The _______ is the average time required for a token to circulate the ring exactly once
  • SA
  • TTRT
  • AMT
  • TAM
8
. The sum of the _______ should be a value close to the TTRT.
  • SAs
  • TTRTs
  • AMTs
  • TAMs
9
. The _______ is a measure of an actual cycle time while the _______ is an average cycle value set at ring initialization
  • TRT; THT
  • THT; TRT
  • THT; TTRT
  • TRT; TTRT
10
. The THT is a function of the _______ and _______.
  • AMT; TTRT
  • TTRT; TRT
  • SA; TTRT
  • AMT; SA
11
. The _______ is always 0 when the token arrives at an FDDI station
  • TTRT
  • TRT
  • THT
  • SA
12
. An FDDI station sends asynchronous data as long as the _______ value is positive
  • TTRT
  • TRT
  • THT
  • SA
13
. When the token leaves an FDDI station, the TRT value is _______.
  • 0
  • some positive value
  • some negative value
  • greater than TTRT but less than SA
14
. FDDI specifies _______ encoding prior to NRZ-I encoding.
  • 4B/5T
  • 3B/4B
  • 5B/4B
  • 4B/5B
15
. Which of the following is not a protocol in the FDDI standard?
  • PMD
  • PHY
  • MAC
  • HDLC
16
. Which type of FDDI node has two MICs?
  • DAS
  • SAS
  • DAC
  • a and c
17
. Which type of FDDI node has one MIC?
  • DAS
  • SAS
  • DAC
  • a and c
18
. How many MICs are need for a DAC connecting 3 workstations to an FDDI ring?
  • 2
  • 3
  • 4
  • 5
19
. In FDDI, when all synchronous data have been sent and the THT value is still positive, _______.
  • no asynchronous data can be sent
  • asynchronous data can be sent
  • all asynchronous data have been sent
  • any of the above
20
. One MAU can support _______ stations.
  • 5
  • 8
  • 32
  • any number of
21
. An MAU is a device used in _______.
  • Ethernet
  • Token Ring
  • FDDI
  • all of the above
22
. An SAS is a device used in _______.
  • Ethernet
  • Token Ring
  • FDDI
  • all of the above

 
 
You may be interested in:
Data Communication and Networking MCQs by Behrouz A Forouzan.
Computer Networking MCQs
Fundamental of Networking Online Tests
Data Communication and Networking Online Tests
Data Communication and Networking Short Questions Answers
Data Communication and Networking Tutorials and Study Notes