單項(xiàng)選擇題Which description is correct for a private VLAN community port with respect to Layer 2 communications?()   

A. It communicates with all other community ports in the private VLAN domain.
B. It communicates with only isolated ports in the private VLAN domain.
C. It communicates only with other community ports in the same community and associated promiscuous ports.
D. It communicates only with associated promiscuous and isolated ports.


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1.單項(xiàng)選擇題

After configuring FabricPath, the following appears in the syslog: 
%STP-2-L2GW_BACKBONE_BLOCK: L2 Gateway Backbone port inconsistency blocking port port-channel100 on VLAN0010. 
What is the cause of this message? ()

   

A. STP must be disabled; message indicates that STP is enabled.
B. STP is misconfigured; root guard must be disabled.
C. An inferior BPDU is received on a Cisco FabricPath edge port.
D. A superior BPDU is received on a Cisco FabricPath edge port.

3.多項(xiàng)選擇題The hardware and software configurations for vPC+ are similar to that of traditional vPC. What are the differences in the configuration of vPC+? ()

A. FabricPath switch ID must be configured under the vPC domain.
B. Virtual switch ID of vPC+ must be configured under FabricPath domain.
C. On Cisco Nexus 7000 Series Switch, F1 interfaces must be used as the vPC+ peer links.
D. The vPC+ peer link must be configured as a Cisco FabricPath core port (switchport mode fabricpath).
E. FabricPath subswitch ID must be configured under the vPC domain.

4.多項(xiàng)選擇題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

5.多項(xiàng)選擇題Overlay Transport Virtualization (OTV) join interface is used to source the OTV encapsulated traffic and send it to the Layer 3 domain of the data center network. Which statements are true about OTV join interface? ()

A. Join interface is a Layer 3 entity, and with the Cisco NX-OS release 6.0, it can only be defined as a physical interface, physical subinterface, Layer 3 port channel, or Layer 3 port channel subinterface.
B. A single join interface can be defined and associated with a given OTV overlay.
C. Multiple overlays can also share the same join interface.
D. Join interface can be a loopback interface.
E. The join interface is a Layer 3 entity that can be defined as a physical interface but not as a logical one.

6.多項(xiàng)選擇題


The network administrator is seeing N7K-1 having issues with VLAN 11, and interface VLAN 11 is resetting, causing frequent HSRP state changes. Which two actions would reduce HSRP state changes? ()

A..On N7K-1,configure the HSRP extended hold timer to 180, extending the HSRP hello message hold time.
B..On N7K-2,configure the HSRP extended hold timer to 180, extending the HSRP hello message hold time.
C..On N7K-1,configure the pre-empt delay minimum to 180 in order to delay N7K-1 from taking over as the HSRP active router.
D..On N7K-2,configure the pre-empt delay minimum to 180 in order to delay N7K-2 from taking over as the HSRP active router.
E..On N7K-2,increase the HSRP priority to 150. 
F. On N7K-2,decrease the HSRP priority to 50.

7.多項(xiàng)選擇題Overlay Transport Virtualization (OTV) overlay interface is a logical multiaccess and multicast- capable interface that must be explicitly defined by the user and where the entire OTV configuration is applied. Which statements are true about OTV overlay interface?()

A. When an OTV edge device receives a Layer 2 frame destined for a remote data center site, the frame is logically forwarded to the overlay interface.
B. The OTV edge device performs the dynamic OTV encapsulation on the Layer 2 packet and sends it to the join interface toward the routed domain.
C. When the OTV edge device receives a Layer 2 frame destined for a remote data center site, the frame is logically forwarded to the join interface.
D. The OTV edge device performs the dynamic OTV encapsulation on the Layer 2 packet and sends it to the overlay interface toward the routed domain.

9.多項(xiàng)選擇題A virtual port channel (vPC) allows links that are physically connected to two different Cisco Nexus devices to appear as a single port channel to a third device. Which are the mandatory steps for configuring vPC? ()   

A. Enable feature vPC
B. Define domains
C. Establish peer keepalive connectivity
D. Create a peer link
E. Configure the peer link as a trunk port
F. Create port channels and vPCs
G. Define port channel load-balancing method
H. Make sure configurations are consistent

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In a Cisco Unified Computing System, What is the "designated receiver" port in end-host mode used for?()

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KAL-AP on the Cisco ACE allows communication with Cisco ACE Global Site Selector, to report virtual IP and real server availability. Which statement is true about KAL-AP?()

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On a Cisco Unified Computing System (UCS), which two statements regarding Ethanalyzer are true?()

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Refer to the exhibit. According to the equipment tab in Cisco UCS Manager, which is true?()    

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In the event of a GSS failure in a GSS cluster, which is true?()

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When testing ICMP access to a functional load-balancing ACE VIP, it fails. What is the reason of this problem? ()

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Where are SAN Port Channel is created in UCS Manager?()

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Which of the following are supported in Cisco Global Site Selector? ()

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