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MCQs

Total Questions : 885 | Page 61 of 89 pages
Question 601. IEEE project 802 divides the data link layer into an upper _____ sublayer and a lower _____ sublayer.
  1.    None of these
  2.    HDLC, PDU
  3.    MAC, LLC
  4.    LLC, MAC
  5.    PDU, HDLC
 Discuss Question
Answer: Option D. -> LLC, MAC
Question 602. With an IP address of 201.142.23.12, what is your default subnet mask?
  1.    255.0.0.0
  2.    None of these
  3.    0.0.0.0
  4.    255.255.0.0
  5.    255.255.255.0
 Discuss Question
Answer: Option E. -> 255.255.255.0
Question 603. Two computers that communicate with each other use a simple parity check to detect errors for ASCII transmissions. Which of the following events will always lead to an undeleted error?
  1.    one bit or any odd number of bits inverted in a byte during transmission
  2.    one bit or any odd number of bits inverted in a block of data during transmission
  3.    two bits or any even number of bits inverted in a block during transmission
  4.    two bits or any even number of bits inverted in a byte during transmission
  5.    None of these
 Discuss Question
Answer: Option D. -> two bits or any even number of bits inverted in a byte during transmission
Question 604. A smart modem can dial, hang up and answer incoming calls automatically. Can you tell who provides the appropriate instruction to the modem for this purpose?
  1.    Error detecting protocols
  2.    None of these
  3.    Link access procedure (LAP)
  4.    Telecommunications
  5.    Communications software
 Discuss Question
Answer: Option E. -> Communications software
Question 605. In communication satellite, multiple repeaters are known as
  1.    detector
  2.    transponders
  3.    modulator
  4.    stations
  5.    None of these
 Discuss Question
Answer: Option B. -> transponders
Question 606. What are the two main types of access control lists (ACLs)?1. Standard2. IEEE3. Extended4. Specialized
  1.    2 and 4
  2.    1 and 2
  3.    1 and 3
  4.    3 and 4
 Discuss Question
Answer: Option C. -> 1 and 3
Question 607. How long is an IPv6 address?
  1.    128 bits
  2.    64 bits
  3.    32 bits
  4.    128 bytes
 Discuss Question
Answer: Option A. -> 128 bits
Question 608. What flavor of Network Address Translation can be used to have one IP address allow many users to connect to the global Internet?
  1.    Static
  2.    Dynamic
  3.    PAT
  4.    NAT
 Discuss Question
Answer: Option C. -> PAT
Question 609. Which utility is an all-purpose tool for troubleshooting TCP/IP problems?
  1.    None of these
  2.    Hostname
  3.    NBTSTAT
  4.    Netstat
  5.    PING
 Discuss Question
Answer: Option E. -> PING
Question 610. You have 10 users plugged into a hub running 10Mbps half-duplex. There is a server connected to the switch running 10Mbps half-duplex as well. How much bandwidth does each host have to the server?
  1.    1 Mbps
  2.    100 kbps
  3.    10 Mbps
  4.    2 Mbps
 Discuss Question
Answer: Option C. -> 10 Mbps

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