單項(xiàng)選擇題

While troubleshooting a network outage, you discover that an employee brought a switch from home into the office to connect additional equipment to the network. In order to increase his speed, he connected this switch to both network ports in his office, resulting in a bridge loop.
Which of these can you implement to prevent future occurrences of this issue?()

A.RSTP
B.root guard
C.BPDU guard
D.GLBP


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1.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.

2.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.

3.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.

4.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

5.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

最新試題

Which keyword is used with the show ip bgp neighbors [keyword] command to display all routes that are received and accepted from a neighbor?()

題型:?jiǎn)雾?xiàng)選擇題

Refer to the exhibit. You have a non-Cisco switch that is not communicating properly while connected to the distribution-layer Cisco switching fabric.Which two best-practice actions can you take to overcome this problem? ()(Choose two.)

題型:多項(xiàng)選擇題

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

題型:?jiǎn)雾?xiàng)選擇題

Which keyword is used with the debug ipv6 [keyword] command to troubleshoot neighbor discovery problems?()

題型:?jiǎn)雾?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:?jiǎn)雾?xiàng)選擇題

Refer to the exhibit. Analyze the two traceroutes that are displayed. Which of these statements is correct in describing what most likely caused the traceroute differences?()

題型:?jiǎn)雾?xiàng)選擇題

On the Catalyst 6500 Series switch, which command is used to establish a console connection to the Firewall Services Module?()

題型:?jiǎn)雾?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:?jiǎn)雾?xiàng)選擇題

Which of the following is an easy-to-use tool that allows you to easily configure and monitor Cisco Integrated Services Routers?()

題型:?jiǎn)雾?xiàng)選擇題

You are trying to initiate an SSH connection to a remote router and are getting rejected with an error code of 0. Which of these might be the cause of the error?()

題型:?jiǎn)雾?xiàng)選擇題