【填空题】
42.八国联军于___年，发动了侵华战争。
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1900
解析
暂无解析
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What is an example of social engineering？___
A. gaining access to a computer by observing the user login credentials
B. gaining access to a build through an unguarded entrance
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Which type of Layer 2 attack enables the attacker to intercept traffic that is intended for one specific recipient？___
A. BPDU attack
B. DHCP starvation I LAB
C. MAC address spoofing
D. CAM table overflow
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Which about nested policy maps in a zone-based firewall is true ?___
A. They are limited to two leve ls in a hierarchical policy
B. Parent policies are previously defined policies that are defined by using the service policy command
C. A child policy is a new policy that uses a pre-existing policy.
D. A child policy is a new that uses a pre-existing policy
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In which configuration do you configure the ip ospf authentication key 1 command？___
A. routing process
B. interface
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Which statement about command authorization and security contexts is true？___
A. If command authorization is configured， it must be enabled on all contexts.
B. The change to command invokes a new context session with the credentials of the currently
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Which command do you enter to enable authentication for OSPF on an interface？___
A. router（config-if）#ip ospf message-digest-key 1 md5 CIS COPASS
B. router（config-if）#ip ospf authentication message-digest
C. router（config-if）#ip ospf authentication-key CISCOPASS
D. router（config-if）#area 0 authentication message-digest
【单选题】
What feature defines a campus area network？___
A. It has a single geographic location
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Which type of attack most commonly involves a direct attack on a network？___
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What information does the key length provide in an encryption algorithm?___
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How do you verify TaCACS+ connectivity to a device？___
A. You successfully log in to the device by using the local 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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Which loS command is used to define the authentication key for ntp？___
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What is true about the cisco lOS Resilient Configuration feature ?___
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【单选题】
When is the default deny all policy an exception in zone-based firewalls？___
A. when traffic terminates on the router via the self zone
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.If an access port is assigned as an isolated port in a PVLAN， which network ports can it communicate with？___
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Which IPSEC mode is used to encypt traffic directly between a client and a server VPN endpoint？___
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Which command do you enter to verify that a vpn connection is established between two endpoints and that the connection is passing traffic？ ___
A. Firewall#sh crypto session
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which type of Pvlan port allows communication from all port types？___
A. isolated
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【单选题】
Which command do you enter to configure your firewall to conceal internal addresses？___
A. no ip directed-broadcast
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【单选题】
Which feature defines a campus area network？ ___
A. It has a limited number of segments.
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What technology can you use to provide data confidentiality data integrity and data origin authentication on your network？___
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Which NAT type allows objects or groups to reference an IP address ？___
A. identity NAt
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【单选题】
Which Auto NAT policies are processed first？___
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Which type of encryption technology has the broadest platform support？___
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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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