【填空题】
24.我国古代军事思想形成的重要标志性著作是：___、___。
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《军政 》|《 军事 》
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27.20世纪80年代末、90年代初，随着东欧剧变和苏联解体，持续近半个世纪的冷战格局被打破。 “___ ” 是当前乃至今后相当长时期内世界主要战略力量对比的总体态势和总体特征。
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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
C. gaining access to a server by using a USB stick
D. gaining access to a server room by posing as local IT
【单选题】
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
【单选题】
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
C. privileged
D. global
【单选题】
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
C. AAA settings are applied on a per-context basis
D. The enable. 15 user ang admins with chang to permission ha e dfferent command authorization levels pertontext
【单选题】
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
B. It lacks external connectivity.
C. It has a limited number of segments.
D. It has limited or restricted Internet access
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Which type of attack most commonly involves a direct attack on a network？___
A. :phishing
B. Trojan horse
C. denial of service
D. social engineering
【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
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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
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？___
A. availability
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Which loS command is used to define the authentication key for ntp？___
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 ?___
A. The feature can be disabled through a remote session
B. There is additional space required to secure the primary cisco lOS image file.
C. The feature automatically detects image or configuration version mismatch.
D. Remote storage is used for securing files
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When is the default deny all policy an exception in zone-based firewalls？___
A. when traffic terminates on the router via the self zone
B. when traffic traverses two interfaces in different zones
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接触网值班员接到维修中心生产调度准备抢修通知后：___
A. 通知当值工班工班长立即出动抢修；
B. 通知维修中心值班司机，出动事故抢修汽车；
C. 通知接触网备班工班长；
D. 通知主管工程师；
E. 参加抢修工作，并记录关键时间及事故信息（事故地点、事故
【多选题】
在进行隔离开关倒闸作业时，应如何办理倒闸作业手续？___
A. 操作人受令复诵，电力调度员确认无误后，方可给命令编号和批准时间
B. 先由操作人向电力调度提出申请，电力调度员审查后，发布倒闸作业命令(如果是DCC管理的隔离开关，则到DCC办理倒闸手续)；
C. 每次倒闸作业，发令人要将命令内容等记入“倒闸操作命令记录”中；
D. 操作完毕后，受令人要填写“隔离开关倒闸完成报告单”
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下列说法正确的是___
A. 湾厦备用线由2X03供电臂供电
B. 科苑存车线由2S05供电臂供电
C. 安托山存车线由2X08供电臂供电
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到达事故现场后属于抢修组长的行动内容有___
A. 接触网故障点的查找
B. 收集故障设备资料
C. 进入现场检查设备损坏情况，如发现接触网故障导致其他系统 设备破坏，必须及时向 OCC 行调汇报详细情况，由行调协调处理；
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