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QUESTION 51
A Catalyst switch has just been installed and configured, and is not working as expected. You have decided to capture multiple show command outputs to study. Which one command could you use that includes the output of many other show commands, such as show version and show running-config?
A. show configuration
B. show memory
C. show stacks
D. show tech-support
Correct Answer: D Section: (none) Explanation
Explanation/Reference:
QUESTION 52
On a Cisco Catalyst 4500 Series, the fail LED is lit for one if its two power supplies. Which command would you use to check on this problem ?
A. Show module
B. Show errdisable detect
C. Show environment
D. Show diagnostic content
Correct Answer: C Section: (none) Explanation
Explanation/Reference:
QUESTION 53
Assuming that an IP packet is sent from a source address in VLAN1 to a destination address in VLAN2 through a layer-3 switch, which part of the packet will be changed?
A. Layer 2 TTL
B. Layer 3 TTL
C. Layer 3 source address
D. Layer 3 destination address
Correct Answer: B Section: (none) Explanation
Explanation/Reference:
QUESTION 54
You are troubleshooting an issue which is causing full-sized packets entering the MPLS cloud be dropped. You have discovered that one of the switches in the MPLS core is not a Cisco switch, but otherwise the MPLS MTU size is set to 1508 bytes on the routers. Based on this information, which of these may be the reason the packets are being dropped?
A. The switch on you MPLS core that was not produced by Cisco does not support oversized packets
B. No switches support oversized packets
C. By definition, the maximum MTU is 1500 bytes
D. As MPLS VPN labeling increases the size of the packet by 8 bytes, the IP MTU should have been changed to 1508
Correct Answer: A Section: (none) Explanation
Explanation/Reference:
QUESTION 55
You are an experienced network administrator in an international company. During your working hours, customers complain that they experience intermittent data loss and they intermittently fail to connect to crucial servers. As shown in the following topology, the 802.1Q trunk between DSW111 and ASW1 fails. Though DSW112 is in the service of HSRP group 11, the SVI for VLAN 11 is up on DSW111. So as to figure out the problem, which three commands should you issue on DSW111? (Choose three.)
A. show standby vlan 11 brief
B. show interfaces vlan 11
C. show spanning-tree vlan 11
D. show interfaces <fast | gig> mod/port trunk
Correct Answer: BCD Section: (none) Explanation
Explanation/Reference:
QUESTION 56
Which one of these class maps was configured to match traffic for CS5?
A. CIS 1# show class-map forward Class map match-all forward ( id 3) Match ip dscp 18
B. CIS1#show access-map block Class map match-all block (id 4) Match ip dscp 43
C. CIS1# show class-map real-time Class map match-all block (id 5)
Match ip dscp 16
D. CIS 1# show class-map pass Class map match-all real-time (id 2) Match ip dscp 40
Correct Answer: D Section: (none) Explanation
Explanation/Reference:
QUESTION 57
Which of the following can we draw from the given information concerning the class-map “all-traffic”?
A. The class-map “all-traffic” will match all traffic with ip precedence 4 and 5
B. The class-map “all-traffic” will match all traffic with dscp 18 or dscp 43
C. The class-map “all-traffic” will match all traffic with ip precedence 0 or 1
D. The class-map “all-traffic” will match all traffic with dscp 18 and dscp 43
Correct Answer: B Section: (none) Explanation
Explanation/Reference:
QUESTION 58
How does NTP help you troubleshoot network problems?
A. By calculating the time offset from the GPS or atomic clock
B. By setting the router clock to the default value if the router can’t connect to a time server
C. By setting all network devices to the correct time
D. By setting necessary time date in the timestamp information
Correct Answer: C Section: (none) Explanation
Explanation/Reference: QUESTION 59
Which version of NTP was the first to support cryptographic authentication?
A. Version 1
B. Version 5
C. Version 4
D. Version 3
Correct Answer: D Section: (none) Explanation
Explanation/Reference:
QUESTION 60
Which of these tools should you use to compress VoIP packets on a low-speed Frame Replay circuit?
A. Cisco Proprietary payload compression
B. Predictor payload compression
C. RTP header compression
D. TCP header compression
Correct Answer: C Section: (none) Explanation
Explanation/Reference:
QUESTION 61
The router SIS-R has been configured in a CIS network. As a network administrator, you were required to enable MPLS on that router. Which of the following description is making sense on the basis of the output information?
A. CEF switching is only needed to forward labeled packets.
B. CEF switching is needed on both ingress and egress interfaces on which MPLS is enabled.
C. 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.
D. 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.
Correct Answer: D Section: (none) Explanation
Explanation/Reference:
QUESTION 62
When EIGRP is used as the PE-CE routing protocol which of these statements is correct?
A. EIGRP can be used only as the PE-CE routing protocol if the PE and CE routers are in the same AS
B. Other EIGRP AS routes are automatically advertised to the CE router and do not require a redistribution configuration command to be configured
C. Unlike other routing protocols that are used between PE and CE routers, EIGRP supports backdoor links
D. Configure of the VPN is only required on the PE router
Correct Answer: D Section: (none) Explanation
Explanation/Reference:
QUESTION 63
When BGP is used as the PE-CE routing protocol, which of these statements is correct?
A. On the CE router, PE neighbors must be configured in the VRF context on the CE router
B. On PE routers, the CE IBGP neighbors are configured in the global BGP configuration
C. On PE routers, the CE EBGP neighbors are configured in the VRF context
D. A separate BGP process must be used on the PE routers for CE routers so that they do not use the same BGP routing process as that used for the PE router’s other provider neighbors
Correct Answer: C Section: (none) Explanation
Explanation/Reference:
QUESTION 64
Refer to the following topology. RIP routing protocol has been configured on Customer Edge and Provider Edge routers. Which of the following description is making sense on the basis of the given information?
A. Though RIPv2 is specified in the configuration, any version of RIP supports VRFs.
B. Though preferred, it is not necessary that the RIP parameters be specified in the VRF.
C. On the receiving end, the RIP hop count is copied into a BGP extended community attribute.
D. On the sending end, the RIP hop count is copied into the BGP multi-exit discriminator attribute.
Correct Answer: D Section: (none) Explanation
Explanation/Reference:
QUESTION 65
When implementing MPLS VPNs between CE and PE routers, which of these statements is correct?
As a Network Engineer, it is necessary for you to know how to implement MPLS VPNs between Customer
Edge and Provider Edge routers. Refer to the following descriptions, which one is making sense?
A. 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
B. If using IS-IS as the PE-CE routing protocol, no redistribution is required
C. If using static routes between the CE and PE routers, no redistribution of other VPN routes is required
D. If PE-CE protocol is not BGP, redistribution of other VPN routes from MP-BGP is required
Correct Answer: D Section: (none) Explanation
Explanation/Reference:
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