JN0-102單項選擇題每日一練(2019.01.22)

單項選擇題
At which layer of the OSI model does error checking occur with IPv6?（）
A. Layer 2
B. Layer 3
C. Layer 4
D. Layer 7
單項選擇題
What represents the binary equivalence of 148?（）
A. 10010110
B. 11010010
C. 10011100
D. 10010100
單項選擇題
You are asked to ensure that your device does not accept any prefixes within the 172.27.0.0/24 network. You have applied the policy shown in the exhibit, but the 172.27.0.0/24 route is still present on your device.Which configuration will resolve this problem?（）
A. [edit policy-options policy-statement block-routes]
B. user@router# set term 1 from route-filter 172.27.0.0/24 orlonger    [edit policy-options policy-statement block-routes]
C. user@router# set term 1 from route-filter 172.27.0.0/24 upto /30    [edit policy-options policy-statement block-routes]
D. user@router# set term 2 from route-filter 172.27.0.0/24 longer    [edit policy-options policy-statement block-routes]
E. user@router# set term 2 from route-filter 172.27.0.0/24 orlonger
單項選擇題
You have been assigned the /24 network and need to segment it into at least 60 subnets.Which network mask meets this requirement?（）
A. /27
B. /28
C. /29
D. /30
單項選擇題
What represents the decimal equivalence of 01101110?（）
A. 90
B. 96
C. 110
D. 118

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