單項(xiàng)選擇題

Refer to the exhibit. MPLS has been enabled on router PE11. Which of these statements is correct regarding the output display shown in the exhibit? ()

A. CEF switching is not needed for MPLS operation.
B. CEF switching is only needed to forward labeled packets.
C. CEF switching is needed on both ingress and egress interfaces on which MPLS is enabled.
D. Interface-level CEF switching is needed only on egress interfaces that are sending IP packets on which the egress LSR performs the label imposition process.
E. Interface-level CEF switching is needed only on ingress interfaces that are receiving IP packets on which the ingress LSR performs the label imposition process.


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1.單項(xiàng)選擇題When implementing MPLS VPNs between CE and PE routers, which of these statements is correct? ()

A. If using IS-IS as the PE-CE routing protocol, no redistribution is required.
B. If using static routes between the CE and PE routers, no redistribution of other VPN routes is required.
C. If the PE-CE protocol is not BGP, redistribution of other VPN routes from MP-BGP is required.
D. If RIP is the routing protocol that is used between the PE-CE routers, no redistribution is required, but any other protocol will require redistribution.
E. If using OSPF or EIGRP as the PE-CE routing protocol, redistribution is not required, but any other protocol or static route will require redistribution.

2.單項(xiàng)選擇題How can Cisco NetFlow be used to aid in the operation and troubleshooting of QoS issues? ()

A. NetFlow can report on the number of traffic matches for each class map in a configured QoS policy configuration.
B. NetFlow records can be used to understand traffic profiles per class of service for data, voice, and video traffic.
C. NetFlow can discover the protocols in use and automatically adjust QoS traffic classes to meet policy-map requirements.
D. NetFlow can be configured to identify voice and video traffic flows and place them into a low-latency queue for expedited processing.

3.單項(xiàng)選擇題When an IP packet is Layer 3-switched from a source in one VLAN to a destination in another VLAN,which field in a packet will be rewritten? ()

A. Layer 2 TTL
B. Layer 3 TTL
C. Layer 3 source address
D. Layer 3 transport protocol
E. Layer 3 destination address

4.單項(xiàng)選擇題On a Cisco Catalyst switch, which configuration command is used to apply a VACL named "test" to filterthe traffic within VLAN100? ()

A.interfacevlan100ipaccess-grouptest
B.interfacevlan100ipaccess-grouptestin
C.interfacevlan100ipaccess-grouptestout
D.vlanfiltertestvlan-list100
E.vlanaccess-maptest100

5.單項(xiàng)選擇題When you enter the interface command auto qos voip cisco-phone on a port at the edge of a network,how does the Cisco Catalyst switch detect if a Cisco IP Phone is connected to the port?()

A. by snooping the CoS marking on the incoming frames
B. by using RTP hello messages between the switch port and the Cisco IP Phone
C. by using CDP
D. by using DHCP snooping
E. by snooping the incoming 802.1Q VLAN tag


最新試題

Referring to the partial Cisco Catalyst switch configuration shown, which two of these statements are correct? ()(Choose two.)

題型:多項(xiàng)選擇題

As a network administrator, you issue the interface auto qos voip cisco-phone command on a port in an edge network. It is possible for a Cisco Catalyst switch to check if a Cisco IP Phone is directly attached to that port by:()

題型:單項(xiàng)選擇題

You are an experienced network administrator in an international corporation. One of your clients asks you to configure a network for a financial trading center which requires multiple high-value transactions.And the transactions are very important to the client. In such a situation, which two of the following are basic and most important requirements concerning the configuration? ()(Choose two.)

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Which description is making sense on the basis of the given information?()

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Which configuration will enable OSPF for IPv6 on FastEthernet 0/0/0?()

題型:單項(xiàng)選擇題

Which Cisco IOS command is used to troubleshoot a problem in which a BGP session stays in the active state?()

題型:單項(xiàng)選擇題

Which of the following allows network administrators to easily apply common services and employ features across Cisco switches, routers, and access points with an intuitive GUI?()

題型:單項(xiàng)選擇題

What is the most likely reason that an IBGP route that has been selected as a best route is not entered into the IP routing table?()

題型:單項(xiàng)選擇題

As an experienced network engineer, you are asked to troubleshoot a CIS network outage. During the troubleshooting process, you notice that one of your colleagues connects additional devices to the network with the use of his own switch. With the purpose of improving speed, the switch is attached to both network ports in an office, which leads to bridge loop.Enabling which of the following feature will be able to prevent this problem from happening again?()

題型:單項(xiàng)選擇題

What is the maximum number of Cisco Catalyst 3750 Series Switches that can be united into a single manageable unit using the Cisco StackWise technology?()

題型:單項(xiàng)選擇題