System Administrator 2026
When was the CIDR system created?
  • A. 2006
  • B. 1993
  • C. 1988
  • D. 1998
Determine the number of subnets for the given IP 192.13.67.0/28 using the CIDR value.
  • A. 16
  • B. 14
  • C. The default number of bits in the network portion = 24 let n be the number of bits added to the network portion of the given ip address n = cidr value €? default number of bits in the network portion n = 28 €? 24 n = 4 number of subnets = 2n = 24 numbe
  • D. 8
Determine the number of valid host IPs in each subnet for the given IP 172.16.0.0/25 using the CIDR value.
  • A. 7
  • B. Total number of bits in an ip address = 32 let n be the number of bits in the host portion of the given ip address n = total number of bits in an ip address €? cidr value n = 32 €? 25 n = 7 number of hosts = 2n €? 2 = 27 €? 2 number of hosts = 128 -2 n
  • C. 126
  • D. 16
Determine the total number of valid IPs in each subnet for the given IP 192.168.10.0/26 using the CIDR value.
  • A. 26
  • B. 128
  • C. Total number of bits in an ip address = 32 let n be the number of bits in the host portion of the given ip address n = total number of bits in an ip address €? cidr value n = 32 €? 26 n = 6 total number of valid ips in a subnet = 2n = 26 total number o
  • D. 64
Which of the following cannot be considered as characteristic to create virtual local area networks using switch?
  • A. Port numbers of the switch
  • B. Ip addresses of the stations
  • C. Port numbers of the stations
  • D. Mac addresses of the stations
Which method(s) can be used to establish communication between two different virtual area networks?
  • A. Tdm
  • B. Frame tagging and table maintenance
  • C. Frame tagging and tdm
  • D. Tdm, frame tagging and table maintenance
Why is it important to add VLAN identifiers to the frames when they move from one VLAN to another VLAN?
  • A. To identify which VLAN they belong to
  • B. To identify which switch they belong to
  • C. To identify which host they belong to
  • D. To identify which router they belong to
What can be achieved by partitioning the whole local area network into virtual local area networks?
  • A. Security and cost reduction
  • B. Security, cost reduction, efficiency and application management
  • C. Efficiency and application management
  • D. Security, cost reduction and efficiency