LAN Switching and Wireless

661. We discussed _________ popular controlled-access methods.

  1. two
  2. three
  3. four
  4. none of the above

Correct answer: (B)
three

662. We have categorized access methods into _________ groups.

  1. two
  2. three
  3. four
  4. five

Correct answer: (B)
three

663. What is the bandwidth of a signal that ranges from 1 MHz to 4 MHz?

  1. 4 MHz
  2. 1 KHz
  3. 3 MHz
  4. none of the above

Correct answer: (A)
4 MHz

664. What is the default mask for class A in CIDR notation?

  1. /9
  2. /8
  3. /16
  4. none of the above

Correct answer: (B)
/8

665. What is the default mask for class B in CIDR notation?

  1. /9
  2. /8
  3. /16
  4. none of the above

Correct answer: (C)
/16

666. What is the default mask for class C in CIDR notation?

  1. /24
  2. /8
  3. /16
  4. none of the above

Correct answer: (A)
/24

667. What is the first address of a block of classless addresses if one of the addresses is 12.2.2.127/28?

  1. 12.2.2.0
  2. 12.2.2.96
  3. 12.2.2.112
  4. none of the above

Correct answer: (C)
12.2.2.112

668. What is the first address of a block of classless addresses if one of the addresses is 12.2.2.76/10?

  1. 12.0.0.0
  2. 12.2.0.0
  3. 12.2.2.2
  4. none of the above

Correct answer: (A)
12.0.0.0

669. What is the first address of a block of classless addresses if one of the addresses is 12.2.2.76/27?

  1. 12.2.2.0
  2. 12.2.2.32
  3. 12.2.2.64
  4. none of the above

Correct answer: (C)
12.2.2.64

670. What is the hexadecimal equivalent of the Ethernet address 01011010 00010001 01010101 00011000 10101010 00001111?

  1. 5A:88:AA:18:55:F0
  2. 5A:81:BA:81:AA:0F
  3. 5A:18:5A:18:55:0F
  4. 5A:11:55:18:AA:0F

Correct answer: (D)
5A:11:55:18:AA:0F

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