NEW QUESTION 1
Which option is a Cisco-recommended congestion management or queuing method for real-time traffic for voice and video?

• A. CB-WFQ
• B. PQ
• C. WFQ
• D. LLQ

Answer: D

NEW QUESTION 2
Which three conditions can occur when metering traffic using a dual token bucket traffic policing QoS mechanism on Cisco routers? (Choose three.)

• A. conform
• B. pass
• C. violate
• D. exceed
• E. burst
• F. matched

Answer: ACD

NEW QUESTION 3
Cisco MPLS TE tunnels recently have been deployed to minimize the utilization of a congested link in the core network. The tunnels are up and the administrative weight is correctly configured, but no improvement has occurred since they went into production. Which IOS command can be used to modify Cisco MPLS TE path selection on an interface?

• A. mpls traffic-eng administrative-weight 100
• B. Is-Is metric 100
• C. ip rsvp bandwidth percent 90
• D. tunnel mpls traffic-eng path-selection metric te

Answer: A

NEW QUESTION 4
Which two statements are correct in describing ISP environments that are running IP/MPLS in the core network? (Choose two.)

• A. On the PE routers, each BGP route must use a unique label to reach the BGP next hop.
• B. The BGP next hops point to the PE routers, and only the PE routers are required to run BGP.
• C. A full mesh of IBGP sessions are required between all of the PE and P routers to ensure proper packets forwarding.
• D. The PE and P routers run LDP to learn the labels for reaching the BGP next-hop addresses.

Answer: BD

NEW QUESTION 5
Which queuing mechanism should an engineer implement on delay sensitive categories of traffic?

• A. weighted fair
• B. priority
• C. low-latency
• D. weighted round-robin

Answer: C

NEW QUESTION 6
Which two values must be specified in a Cisco NBAR configuration? (Choose two.)

• A. port number
• B. IP precedence
• C. neighbor discovery address
• D. CoS
• E. transport protocol

Answer: AE

NEW QUESTION 7
Layer 2 VPN services that are offered by traditional service providers using a SONET/SDH backbone can be implemented by service providers using an IP/MPLS backbone with which MPLS feature?

• A. LSP stitching
• B. AToM
• C. virtual private WAN services
• D. cell-mode MPLS

Answer: B

NEW QUESTION 8
Cisco MPLS TE resource attributes that are configured locally for each link are distributed to the headend router of the traffic engineering tunnel using which protocol?

• A. BGP
• B. MP-BGP
• C. LDP
• D. RSVP
• E. OSPF or IS-IS with TE extension

Answer: E

NEW QUESTION 9
Which feature should you configure to enable routers to maintain MPLS label information despite link flaps on an interface?

• A. Targeted Adjacency
• B. IGP Synchronization
• C. MPLS LDP Session Protection
• D. NSR

Answer: C

NEW QUESTION 10
How is bandwidth recalculated when utilizing the automatic bandwidth adjustment feature for MPLS TE?

• A. The tunnel’s output average is periodically sampled and then the bandwidth is adjusted to the largestsample obtained during the period, or to the configured maximum
• B. The tunnel’s output is sampled and then the bandwidth is adjusted by a configured percentage until theconfigured maximum value is reached
• C. Ping is used to measure congestion and the bandwidth is adjusted by a configured percentage until the maximum value is reached
• D. Ping is used to measure congestion and the bandwidth is adjusted to either the minimum, average, ormaximum configured bandwidth value

Answer: A

NEW QUESTION 11
Which configuration can a network engineer use to establish high availability for LDP in an MPLS setup?

• A. mpls ldpgraceful-restart graceful-restartgraceful-restart forwarding state-holdtime 180 graceful-restart reconnect-timeout 15 interface HundredGigE0/4/0/0
• B. mpls ldp graceful-restartgraceful-restart forwarding state-holdtime 180 graceful-restart reconnect-timeout 15
• C. mpls ldpsession protection for peer_acl duration 60 ipv4 access-list peer_acl10 permit ip host 192.168.10.1 any
• D. router ospf 1 mpls ldp sync mpls ldpigp sync delay 30
• E. mpls ldprouter-id loopback0 discovery hello holdtime 15 discovery hello interval 5

Answer: A

NEW QUESTION 12
Which two traffic types are recognized by NBAR default configuration settings? (Choose two.)

• A. HTTP URL
• B. Sun RPC
• C. TCP
• D. UDP
• E. HTTPS URL

Answer: AB

NEW QUESTION 13
DRAG DROP
You create an MPLS TE tunnel in IOS XR Software and want to configure forwarding on the tunnel. Drag the steps on the left to their correct order on the right.
Select and Place:

Answer:

Explanation:

NEW QUESTION 14
Which option shows how a network engineer implements QPPB marking of incoming traffic on a router that is connected to a VoIP SP (AS62000, BGP community 60000:1) and to a data services service provider (AS61000, BGP community 61000:1) on Cisco IOS XE?
A)

B)

C)

D)

• A. Option A
• B. Option B
• C. Option C
• D. Option D

Answer: C

NEW QUESTION 15
A company is experiencing congestion on Internet T1 links that transport site-to-site IPsec tunnels between head offices. QoS configuration is being modified on these T1 links. Which option describes the result from this QoS configuration?

• A. VPN traffic is unaffected because the inner ToS field is encrypted and hidden from the policy
• B. The physical interface is affected by the new QoS configuration
• C. The internal VPN logical interface reflects the new QoS service policy
• D. IPsec protocol applications work independently of the QoS configuration

Answer: A

NEW QUESTION 16
Refer to the exhibit. What happens to the traffic that exceeds the CIR?

• A. It is set an EXP value of 5 and transmitted
• B. It is set an EXP value of 5 and dropped
• C. It is set an EXP value of 0 and transmitted
• D. It is set an EXP value of 3 and dropped

Answer: C