【单选题】
What information does the key length provide in an encryption algorithm?___
A. the cipher block size
B. the hash bloc k size
C. the number of permutations
D. the packet size
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答案
C
解析
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【单选题】
How do you verify TaCACS+ connectivity to a device？___
A. You successfully log in to the device by using the local credentials
B. You connect via console port and receive the login prompt.
C. You connect to the device using SSH and receive the login prompt.
D. You successfully log in to the device by using ACS credentials
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Which term best describes the concept of preventing the modification of data in transit and in storage？___
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A. switch（config ）#ntp authentication-key 1 mds Clcs
B. switch（config ）#ntp authenticate
C. switch（config）#ntp trusted-key 1
D. switch（config）#ntp source 192.168.0.1
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What is true about the cisco lOS Resilient Configuration feature ?___
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When is the default deny all policy an exception in zone-based firewalls？___
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【单选题】
.If an access port is assigned as an isolated port in a PVLAN， which network ports can it communicate with？___
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【单选题】
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A. isolated
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【单选题】
Which command do you enter to configure your firewall to conceal internal addresses？___
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【单选题】
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C.
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Which Fire POWER preproce ssor engine is used to prevent SYN attacks？___
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【单选题】
Which NAT type allows objects or groups to reference an IP address ？___
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【单选题】
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【单选题】
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Which type of encryption technology has the broadest platform support？___
A. software
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【单选题】
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Which label is given to a person who uses existing computer scripts to hack into computers while lacking the expertise to write the own？___
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Which statement about the given configuration is true？___
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