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Cisco NX-OS Software supports SNMPv1， SNMPv2c， and SNMPv3. Both SNMPv1 and SNMPv2c use a community-based form of security. SNMPv3 provides secure access to devices by a combination of authenticating and encrypting frames over the network. Which security features are provided in Cisco NX-OS SNMPv3？ （）
- A、 encryption—scrambles the packet contents to prevent them from being seen by unauthorized sources
- B、 password—a password （community string） sent in clear text between a manager and agent for added protection
- C、 authentication—determines that the message is from a valid source
- D、 message integrity—ensures that a packet has not been tampered with while it was in transit
- E、 user—to determine if user authentication is used instead of community strings
参考答案
更多 “Cisco NX-OS Software supports SNMPv1， SNMPv2c， and SNMPv3. Both SNMPv1 and SNMPv2c use a community-based form of security. SNMPv3 provides secure access to devices by a combination of authenticating and encrypting frames over the network. Which security features are provided in Cisco NX-OS SNMPv3？ （）A、 encryption—scrambles the packet contents to prevent them from being seen by unauthorized sourcesB、 password—a password （community string） sent in clear text between a manager and agent for added protectionC、 authentication—determines that the message is from a valid sourceD、 message integrity—ensures that a packet has not been tampered with while it was in transit E、 user—to determine if user authentication is used instead of community strings” 相关考题
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SNMPv3 authorizes management operations only by configured users and encrypts SNMP messages. Which authentication protocols does Cisco NX-OS Software use for SNMPv3？（）A、 NMAC-SHA-96 authentication protocolB、 HMAC-MD5-96 authentication protocolC、 Community String Match protocolD、 NMAC-MD5-96 authentication protocolE、 HMAC-SHA-96 authentication protocol
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单选题By default， what type of SSH server key is generated by Cisco NX-OS Software？（）A
DSA key generated with 512 bitsB
RSA key generated with 768 bitsC
RSA key generated with 1024 bitsD
DSA key generated with 1024 bitsE
RSA key generated with 2048 bits
考题
单选题After making some network changes you power off and then power on your Cisco router. What sequence of events occurs when a router is powered up?（）A
Perform POST, locate configuration statements, apply configuration statements, locate Cisco IOS software, and load Cisco IOS software.B
Locate Cisco IOS software, load Cisco IOS software, locate configuration statements, apply configuration statements, and perform POST.C
Test software routines, POST, load configuration files, load Cisco IOS software, test Cisco IOS software.D
POST, locate Cisco IOS software, load the Cisco IOS software, locate configuration statements, and apply configuration statements.E
Load and test IOS, load configuration files, test software routines, POST.
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多选题Cisco DCNM-LAN supports the configuration and monitoring of many Cisco NX-OS features， including which two of these Ethernet protocols？ （）AGLBPBHSRPCIRDPDVRRP
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单选题What is the benefit of using the Cisco Easy VPN Server feature along with the Cisco software VPN client for implementing remote-access VPNs？ （）A
The Cisco Easy VPN Server feature and the Cisco software VPN client use the same GUI configuration tool to simplify remote-access VPN configurations.B
The Cisco Easy VPN Server feature allows the Cisco software VPN client to receive its security policies from the central site VPN device. This minimizes the configuration requirements at the remote location for large remote access VPN deployments.C
The Cisco Easy VPN Server feature and the Cisco software VPN client use hardware-based encryption to reduce the CPU overhead of the central site VPN router.D
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考题
单选题With Cisco NX-OS on a Cisco Nexus platform， which command shows memory usage， total processes， and CPU state？（）A
show memory detailedB
show process cpu sortedC
show system resourcesD
show hardware capacity
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单选题If XYZ LTD needs to upgrade the Cisco IOS Software of a Cisco Router, Where is the best place to download the upgrade image file from?（）A
The best option is to download it from the Cisco TAC websiteB
The best option is to download it from the Cisco.Com Software support siteC
The best option is to download it form the Cisco Advanced Services websiteD
The best option is to download it from the TFTP site on Cisco.com
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多选题SNMPv3 authorizes management operations only by configured users and encrypts SNMP messages. Which authentication protocols does Cisco NX-OS Software use for SNMPv3？（）ANMAC-SHA-96 authentication protocolBHMAC-MD5-96 authentication protocolCCommunity String Match protocolDNMAC-MD5-96 authentication protocolEHMAC-SHA-96 authentication protocol
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单选题Which IP telephony component provides call processing, such as signaling, that in a traditional voice network is provided by switching equipment, such as a PBX?（）A
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Client-based software, such as CiscoSoftPhoneD
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单选题Which statement describes the XML management interface in Cisco NX-OS Software？（）A
The following XML-based NETCONF operations are supported in NX-OS SoftwarE˙close-session copy-config delete-config and edit-configB
The following XML-based NETCONF operations are supported in NX-OS SoftwarE˙close-session copy-config edit-config and kill-sessionC
NX-OS Software supports up to a maximum of 16 concurrent XML sessionsD
Only show commands are supported via the XML management interface in NX-OS SoftwareE
The NX-OS implementation of the XML-based NETCONF requires SSH to be used for communication with the device
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多选题Which three statements best describe multicast operation on Cisco Nexus switches in a data center？（）ACisco NX-OS Software does not support PIM dense mode.BThe command ip multicast-routing must be enabled in Cisco NX-OS Software before any multicast configuration is possible on the switch.CPIM CLI configuration and verification commands are not available until you enable the PIM feature with the feature pim command.DCisco NX-OS Software supports multicast routing per Layer 3 VRF instance.EThe default PIM operational mode on the Cisco Nexus 7000 switch is SSM.
考题
单选题Which statement best describes ACL configuration using configuration session mode on Cisco Nexus switches？（）A
The verify command will validate commands entered for syntax errors.B
The save command will save the commands entered to the startup configuration.C
The network administrator can perform a dry-run ACL configuration by verifying the configuration against the hardware and software resources available before applying it.D
Configuration sessions can be saved and resumed at any time， even after upgrading NX-OS Software on the switch with ISSU.E
Configuration sessions are global for all VDCs on the Nexus 7000.
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