PTN采用24位来标志网元ID，其中高8位是___，低16位是（）；其中（）的作用是用来标识一个区域内的PTN网元。_答案

【单选题】

PTN采用24位来标志网元ID，其中高8位是___，低16位是（）；其中（）的作用是用来标识一个区域内的PTN网元。

A. 扩展ID，基础ID，基础ID

B. 基础ID，扩展ID，基础ID；

C. 基础ID，扩展ID，扩展ID

D. 扩展ID，基础ID，扩展ID

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以下关于三层交换机（L3）和千兆交换式路由器（GSR）的说法中正确的是___

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以下关于MPLS Tunnel的 1+1保护和1:1保护描述正确是___

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Which two characteristics of RADIUS are true？___

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Which two advantages does the on-premise model for MDM deployment have over the cloud-based model？___

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Which two actions can an end usts take to manage a lost or stolen device in Cisco ISE？ ___

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Which two problems can arise when a proxy firewall serves as the gateway between networks？___

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When using the Adaptive Security Device Manager（ASDM）， which two methods are available to add a new root certificate？___

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C. Install from a file

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Which two are considered basic security principles？___

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Which two roles of the Cisco WSA are true？___

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Which next-generation encryption algorithm supports four variants？___

A. SHA-2

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What aims to remove the abil ity to deny an action？___

A. Non-Repudiation

B. Accountability

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Which statements about the native VLAN is true ？___

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B. It is the Cisco recommended VLAN for switch-management traffic

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D. It is the cisco-recomme nded vlan for user traffic

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What does the dh group refer to？___

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which technology cloud be used on top of an MPLS VPN to add confidentiality ？___

A. IPsec

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Which term is most closely aligned with the basic purpose of a SIEM solution? ___

A. Non-Repudiation

B. Accountability

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D. Repudiation

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You have just deployed SNMPv3 in your environment， Your manager asks you to make sure that our SNMP agents can only talk to the SNMP Manager. What would you configure on your SNMI agents to satisfy this request？___

A. A SNMP View containing the SNMP managers

B. Routing Filter with the SNMP managers in it applied outbound

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Which command enables port security to use sticky MAC addresses on a switch？___

A. switchport port-security violation restrict

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When you edit an IPS subsignature， what is the effect on the parent signature and the family of subsignatures？___

A. The change applies to the parent signature and the entire family of subsignatures

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Which type of mechanism does Cisco FirePOWER de ploy to protect ag detected moving across other networks？___

A. antivirus scanning

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What action must you take on the ise to blacklist a wired device？___

A. Locate the switch through which the device is connected and push an a cl restricting all access by the device

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Which type of firewall can perform deep packet inspection？___

A. packet-filtering firewall

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What is the main purpose of Control Plane Policing？___

A. to prevent exhaustion of route-proce ssor resources

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D. to maintain the policy map

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【单选题】

Which attack can be prevented by OSPF authentication？___

A. smurf attack

B. IP spoofing attack

C. denial of service attack

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What is the best definition of hairpinning？___

A. ingress traffic that traverses the outbound interface on a device

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Which SNMPv3 security level provides authentication using HMAC with MD5， but does not use encryption？___

A. authPriv

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You have implemented a dynamic blacklist， using security intelligence to block illicit network activity. However， the blacklist contains several approved connections that users must access for usiness pur poses. Which action can you take to retain the blacklist while allowing users to access the approve d sites？___

A. Create a whitelist and manually add the approved addresses.

B. Disable the dynamic blacklist and deny the specif ic address on a whitelist while permitting the others

C. Edit the dynamic blacklist to remove the approved addresses

D. Disable the dynamic blacklist and create a static blacklist in its place

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When connecting to an external resource,you must change a source IP address to use one IP address from a range of 207.165.201.1 to 207.165.1.30. Which option do you implement ?___

A. dynamic source NAT that uses an IP ad dress as a mapped source

B. static destination NAT that uses a subnet as a real de stination

C. dynamic source NAT that uses a range as a mapped source

D. static destination NAT that uses a subnet as a real source

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Refer to the exhibit. 【nat（ins，any）dynamic interface】Which ty pe of NaT is configured on a Cisco ASA？___

A. dynamic NAT

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C. dynamic PAT

D. identity twice NAT

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Which mitigation technology for web-based threats prevents the removal of confidential data from the network？___

A. CTA

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Refer to the exhibit. What is the effect of the given configuration？___

A. It establishes the preshared key for the switch

B. It establishes the preshared key for the firewall.

C. It establishes the preshared key for the Cisco ISE appliance

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What are two major considerations when choosing between a SPAN and a TAP when plementing IPS？___

A. the type of analysis the iS will perform

B. the amount of bandwidth available

C. whether RX and TX signals will use separate ports

D. the way in which media errors will be handled

E. the way in which dropped packets will be handled

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What are two direct-to-tower methods for redirecting web traffic to Cisco Cloud Web Security？___

A. third-party proxies

B. Cisco Catalyst platforms

C. Cisco NAC Agent

D. hosted PAC files

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【多选题】

Which three descriptions of RADIUS are true？ ___

A. It uses TCP as its transport protocol.

B. Only the password is encrypted

C. It supports multiple transport protocols

D. It uses UDP as its transport protocol

E. It combines authentication and authorization

F. It separates authentication，authorization，and accounting

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【多选题】

Which two configurations can prevent VLAN hopping attack from attackers at VLAN 10？___

A. using switchport trunk native vlan 10 command on trunk ports

B. enabling BPDU guard on all access ports

C. creating VLAN 99 and using switchport trunk native vlan 99 command on trunk ports

D. applying ACl between VLAN

E. using switchport mode access command on all host ports

F. using switchport nonegotiate command on dynamic desirable ports

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【多选题】

What are two features of transparent firewall mode ___

A. It conceals the presence of the firewall from attackers

B. It allows some traffic that is blocked in routed mode

C. It enables the aSA to perform as a router.

D. It acts as a routed hop in the network.

E. It is configured by default

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【多选题】

Which two models of A sa tend to be used in a data center？___

A. 5555X

B. 5585X

C. ASA service module

D. 5512X

E. 5540

F. 5520

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【多选题】

Which two statements about hardware-based encrption are true？___

A. It is widely accessible

B. It is potentially easier to compromise than software-based encryption. It requires minimal configuration

C. It requires minimal configuration

D. It can be implemented without impacting performance

E. It is highly cost-effective

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