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Which three conditions can occur when metering traffic using a dual token bucket traffic policing QoS mechanism on Cisco routers?

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

What is the correct formula for determining the CIR?

What is the correct formula for determining the CIR? A. CIR = Bc/Tc B. CIR = Bc x Tc C. CIR = Tc/Bc D. CIR = Bc + Be E.

Which bandwidth pool(s) and class type(s)?

DS-TE implementations on Cisco routers support which bandwidth pool(s) and class type(s)? (Choose two.) A. global pool only B. subpool only C. global pool and subpool D. class-type 0 only

Which field in the MPLS shim header is used to support different QoS markings?

Which field in the MPLS shim header is used to support different QoS markings? A. IP precedence B. DSCP C. EXP D. ToS E. S F. Label Correct Answer: C

Which mechanism protects the router resources by filtering and policing the packets flows that are destined to the router that is based on defined flow-type rates?

On a Cisco IOS XR router, which mechanism protects the router resources by filtering and policing the packets flows that are destined to the router that is based on defined

When configuring LLQ (strict priority queue) on a traffic class using the Cisco IOS XR priority command on a Cisco ASR9K router, which additional QoS command is required for this traffic class?

When configuring LLQ (strict priority queue) on a traffic class using the Cisco IOS XR priority command on a Cisco ASR9K router, which additional QoS command is required for this

When using the bandwidth command to specify the minimum guaranteed bandwidth to be allocated for a specific class of traffic, what will be used as the queuing algorithm?

On the Cisco ASR9K router, when using the bandwidth command to specify the minimum guaranteed bandwidth to be allocated for a specific class of traffic, what will be used as

When implementing MPLS DS-TE on Cisco IOS XR routers, all aggregate Cisco MPLS TE traffic is mapped to which class type by default?

When implementing MPLS DS-TE on Cisco IOS XR routers, all aggregate Cisco MPLS TE traffic is mapped to which class type by default? A. class-type 0 (bandwidth global pool) B.

Which MQC configuration is different than on the Cisco IOS and IOS XE?

On the Cisco IOS XR, which MQC configuration is different than on the Cisco IOS and IOS XE? A. On the Cisco IOS XR, WRED can only be applied in

How is hierarchical QoS implemented?

On Cisco routers, how is hierarchical QoS implemented? A. Within the parent policy, reference another child policy using the policy-map command. B. Within the child policy, reference another parent policy

When configuring class-based WRED on Cisco routers, which WRED parameter is not user configurable on a Cisco IOS XR but is user configurable on a Cisco IOS and IOS XE?

When configuring class-based WRED on Cisco routers, which WRED parameter is not user configurable on a Cisco IOS XR but is user configurable on a Cisco IOS and IOS XE?

Which of the following three statements are correct regarding IPv6 QoS?

Which of the following three statements are correct regarding IPv6 QoS? (Choose three.) A. The traffic class field in the IPv6 header can be used to set specific precedence or

Which point in the service provider network is the QoS trust boundary, and what is required at the trust boundary?

With unmanaged CE routers, at which point in the service provider network is the QoS trust boundary, and what is required at the trust boundary? A. between the CE and

Why is this?

On the Cisco IOS XR, when using the match protocol command within a class-map to classify traffic, you noticed that the match protocol option on the Cisco IOS XR shows

Which two QoS mechanisms are typically deployed on the P routers?

Within the service provider core network, which two QoS mechanisms are typically deployed on the P routers? (Choose two.) A. LLQ B. traffic policing and remarking C. WRED D. traffic

Which three steps are required to configure QPPB on Cisco IOS XR routers?

Which three steps are required to configure QPPB on Cisco IOS XR routers? (Choose three.) A. Apply a QPPB route policy to the BGP process using the table-policy command B.

Which kind of packet classification on IP packets that are encapsulated with GRE and IPsec?

The Cisco IOS and IOS XE qos pre-classify command allows which kind of packet classification on IP packets that are encapsulated with GRE and IPsec? A. allows for packets to

Which are typical class-based marking policies that are implemented on service provider IP NGN PE routers?

Which are typical class-based marking policies that are implemented on service provider IP NGN PE routers? A. On the PE ingress, classify the customer traffic and then mark with qos-group.

Which item is not available to be used for QoS classification in Cisco IOS XR?

Which item is not available to be used for QoS classification in Cisco IOS XR? A. MAC SA B. protocol C. inner EXP D. discard-class E. QoS-group F. VLAN Correct

Which statement is correct regarding the default MPLS TTL behavior?

Which statement is correct regarding the default MPLS TTL behavior? A. When an ingress edge LSR receives an IP packet, it will decrement the IP TTL field by 1; then

Which three statements are correct regarding ping mpls command operations?

Which three statements are correct regarding ping mpls command operations? (Choose three.) A. MPLS OAM has to be enabled on the router using the mpls oam command. B. They use

What are the four fields inside the MPLS shim header?

What are the four fields inside the MPLS shim header? (Choose four.) A. EXP B. TTL C. Version D. S E. Length F. Label G. Type H. FCS Correct Answer:

Which two of the following statements are correct regarding LSPs?

Which two of the following statements are correct regarding LSPs? (Choose two.) A. An LSP is created for every routing protocol entry. B. Each LSP is bidirectional, that is, packets

Which four pieces of information are stored for each prefix in the LFIB?

Which four pieces of information are stored for each prefix in the LFIB? (Choose four.) A. local label B. outgoing label C. next-hop IP address D. outgoing interface E. incoming

Which three network services can be implemented using MPLS within the service provider IP NGN core?

Which three network services can be implemented using MPLS within the service provider IP NGN core? (Choose three.) A. Layer 2 VPNs B. Layer 3 VPNs C. traffic engineering D.

Which one to maintain the LDP session between LDP neighbors?

LDP session protection uses which one to maintain the LDP session between LDP neighbors? A. LDP NSF B. LDP NSR C. backup-targeted LDP hellos D. BFD E. LDP-IGP synchronization Correct

What could you do the next time you need to enable LDP on many interfaces?

You are tasked to enable LDP on many of the interfaces on the Cisco CRS-3 router, and because there are many interfaces that need to have LDP enabled, you mistakenly

Which two statements are correct in describing ISP environments that are running IP/MPLS in the core network?

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

When troubleshooting LDP operations on the Cisco IOS and IOS XE routers, what is one of the first things that should be verified?

When troubleshooting LDP operations on the Cisco IOS and IOS XE routers, what is one of the first things that should be verified? A. if running OSPF as the IGP,

What is the term that is used for the label that an LSR assigns and distributes to other LSRs in MPLS?

What is the term that is used for the label that an LSR assigns and distributes to other LSRs in MPLS? A. Local B. Remote C. Explicit D. Explicit Null

Which Cisco IOS XR high-availability feature is used to prevent routes from being used before LDP converges?

Which Cisco IOS XR high-availability feature is used to prevent routes from being used before LDP converges? A. LDP session protection B. LDP-IGP synchronization C. BFD D. IGP session protection

Which Cisco IOS XR command should be used in order to enable LDP-IGP synchronization for the ISIS IGP protocol?

Which Cisco IOS XR command should be used in order to enable LDP-IGP synchronization for the ISIS IGP protocol? A. RP/0/RSP0/CPU0:R1(config-isis-if-af)#mpls ldp sync B. RP/0/RSP0/CPU0:R1(config-isis)#mpls ldp sync C. RP/0/RSP0/CPU0:R1(config-ldp)#isis ldp

Which two Cisco IOS XR configuration modes can mpls ldp igp sync be configured?

In which two Cisco IOS XR configuration modes can mpls ldp igp sync be configured? (Choose two.) A. config-ldp B. config-if C. config-ospf-ar D. config-ospf E. config-isis Correct Answer: CD

Which three methods can be used to map traffic into the MPLS traffic engineering tunnel?

On Cisco routers, which three methods can be used to map traffic into the MPLS traffic engineering tunnel? (Choose three.) A. on-demand routing B. static routing C. optimized edge routing

Which three statements are correct regarding a Cisco MPLS TE?

Which three statements are correct regarding a Cisco MPLS TE? (Choose three.) A. A Cisco MPLS TE tunnel maps onto an LSP path. B. Tunnels are bidrectional by default. C.

When will the router actually reserve the bandwidth for the MPLS traffic engineering tunnel?

On a Cisco router, when will the router actually reserve the bandwidth for the MPLS traffic engineering tunnel? A. during the autoroute process B. during constraint-based routing calculations C. on

Cisco MPLS TE path setup can be affected by which three tunnel attributes?

Cisco MPLS TE path setup can be affected by which three tunnel attributes? (Choose three.) A. bandwidth B. delay C. MTU D. priority E. affinity Correct Answer: ADE

When using the tunnel mpls traffic-eng path-option 1 explicit name test command in Cisco MPLS TE tunnel configurations, the test explicit-path configuration will consist of a list of which values?

When using the tunnel mpls traffic-eng path-option 1 explicit name test command in Cisco MPLS TE tunnel configurations, the test explicit-path configuration will consist of a list of which values?

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?

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

When implementing Cisco MPLS TE, the constrained-based path calculations will use which value as the TE cost of each link within the MPLS domain?

When implementing Cisco MPLS TE, the constrained-based path calculations will use which value as the TE cost of each link within the MPLS domain? A. By default, it will use

Which affinity and mask value will match the link affinity that has 0x0F in the first 8 bits and 0x01 in the last 8 bits, and the middle 16 bits can be any value?

Which affinity and mask value will match the link affinity that has 0x0F in the first 8 bits and 0x01 in the last 8 bits, and the middle 16 bits

Which two features are used to provide Cisco MPLS TE node and link protection?

Which two features are used to provide Cisco MPLS TE node and link protection? (Choose two.) A. autoroute B. fast reroute C. backup tunnels D. BFD Correct Answer: BC

What can cause the tunnel bandwidth to adjust automatically based on the traffic load in the tunnel?

In Cisco MPLS TE implementations, what can cause the tunnel bandwidth to adjust automatically based on the traffic load in the tunnel? A. fast reroute B. admin weight C. autobandwidth

Which affinity value will be matched by the affinity bit mask of the affinity 0xFF00000A mask 0xFFFF000F command?

Which affinity value will be matched by the affinity bit mask of the affinity 0xFF00000A mask 0xFFFF000F command? A. 0xFFFF000A B. 0xFF00EEEA C. 0xFF000000 D. 0x00000000 E. 0x11110001 Correct Answer:

When defining an explicit MPLS TE tunnel path, which two command options are available under the explicit-path configuration mode?

When defining an explicit MPLS TE tunnel path, which two command options are available under the explicit-path configuration mode? (Choose two.) A. exclude-address B. include-address C. next-address D. dynamic-address Correct

Which three mechanisms are used to implement MPLS TE?

Which three mechanisms are used to implement MPLS TE? (Choose three.) A. tunnel interface B. CSPF C. RSVP D. LDP E. MP-BGP Correct Answer: ABC

Implementing IPoDWDM interfaces on Cisco CRS routers eliminates the need for which network component?

Implementing IPoDWDM interfaces on Cisco CRS routers eliminates the need for which network component? A. ROADM B. external transponders C. electrical-optical-electrical converters D. electrical cross-connect Correct Answer: B

Which MPLS feature?

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.

Which QoS marker is only locally significant?

On Cisco routers, which QoS marker is only locally significant? A. DSCP B. MPLS EXP C. IP precedence D. QoS group E. discard eligible (DE) Correct Answer: D

Which QoS mechanism is used for congestion avoidance?

Which QoS mechanism is used for congestion avoidance? A. LLQ B. CBWFQ C. WRED D. LFI E. traffic policing Correct Answer: C