單項(xiàng)選擇題Which command retrieves and displays information about each Cisco product in the form of a UDI? ()

A. show status
B. show hardware
C. show inventory
D. show environment


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1.多項(xiàng)選擇題When HSRP is configured on a network, which two of these items are provided, which are sharedbetween the routers that run HSRP? ()(Choose two.)

A. TCP-based hello packets
B. the impact of flapping links if timers are too low
C. a shared single interface
D. the ability to track serial interfaces
E. UDP-based hello packets

2.多項(xiàng)選擇題Your customer wants to build a network for a financial trading floor that has a requirement for multiple high-value transactions, which are also vital to the customer. What are the two most critical requirements? ()(Choose two.)

A. no single point of failure
B. trading database server location
C. redundant application servers location
D. deterministic response to all failures
E. determine which protocol to use

3.單項(xiàng)選擇題

Refer to the exhibit. For interface FastEthernet0/0, what will happen to dscp af11 traffic if the queue for class "newclass" reaches a depth of 40?()

A. All packets will be dropped.
B. One out of ten packets will be dropped.
C. A random number of packets will be dropped.
D. No packets will be dropped until the queue depth reaches 265.
E. Packets will be dropped according to the exponential weight setting.

4.單項(xiàng)選擇題

Refer to the exhibit. For interface FastEthernet0/0, what will happen to dscp af11 traffic if the queue for class "newclass" reaches a depth of 32? ()

A. All packets will be dropped.
B. One out of ten packets will be dropped.
C. A random number of packets will be dropped.
D. No packets will be dropped until the queue depth reaches 40.
E. Packets will be dropped according to the exponential weight setting.

5.單項(xiàng)選擇題

Refer to the exhibit. A display of class maps for a configuration is shown in the exhibit. What will the class-map "all-traffic" match? ()

A. all voice traffic
B. all traffic with dscp 18 or dscp 43
C. all traffic with dscp 18 and dscp 43
D. all traffic with ip precedence 0 or 1
E. all traffic with ip precedence 4 and 5

7.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.

8.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.

9.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.

10.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

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What is the purpose of using VPN hardware acceleration equipment?()

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

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