Data Communication and Networking – Metropolitan Area Networks (MAN) – IEEE 802.6 – SMDS (Switched Megabit Data Services) MCQs

This set of Data communication and Networking Multiple Choice Questions and Answers (MCQs) focuses on “Metropolitan Area Networks MAN – IEEE 802.6 – SMDS (Switched Megabit Data Services) ”.
 

1
. SMDS is a packet-switched datagram service for high-speed _______ traffic
  • LAN
  • MAN
  • WAN
  • none of the above
2
. SMDS is a service that links _______ into a _______
  • LANs; MAN
  • MANs; LAN
  • LANs; WAN
  • MANs; WAN
3
. LANs that need to be connected in a city or campus can lease a T-1 or T-3 line. Usually this is not done due to ________.
  • the noise
  • the inadequate data rate
  • the unreliable medium
  • the expense
4
. The final SIP level 3 product is a data unit of _______ bytes.
  • 44
  • 46
  • 48
  • a variable number of
5
. How many header bytes does SIP level 3 add to each 44-byte segment?
  • up to 36
  • 2
  • 38
  • a variable number
6
. How many trailer bytes does SIP level 3 add to each 44-byte segment?
  • up to 36
  • 2
  • 38
  • a variable number
7
. The sender address that is added to user data in SIP level 3 is _______ bytes in length.
  • 2
  • 4
  • 8
  • 36
8
. The receiver address that is added to user data in SIP level 3 is _______ bytes in length.
  • 2
  • 4
  • 8
  • 36
9
. The sender and receiver addresses that are added to user data in SIP level 3 are both _______.
  • telephone numbers
  • physical addresses
  • message
  • IP addresses
10
. A 44-byte SIP level 3 data unit can contain _______.
  • user data
  • a header
  • a trailer
  • any of the above
11
. A _______ is added to a 44-byte SIP level 3 data unit.
  • 2-byte header
  • 2-byte trailer
  • variable amount of pad bytes
  • a and b
12
. The final SIP level 3 data unit is _______ bytes.
  • 44
  • 46
  • 48
  • a variable number of
13
. At SIP level _______ a five-byte header is added.
  • 1
  • 2
  • 3
  • 4
14
. At SIP level 2, a _____-byte header is added.
  • 3
  • 4
  • 5
  • variable
15
. At SIP level _______, the physical interface is defined.
  • 1
  • 2
  • 3
  • 4
16
. At SIP level _______, the transmission medium and signaling system are defined.
  • 1
  • 2
  • 3
  • 4
17
. At SIP level 1, the _______ is defined.
  • physical interface
  • type of transmission medium
  • signaling system
  • all of the above

 
 
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