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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 be classified based on the packet payload after packet encryption B. allows for packets to be classified based on the...

Which three steps are required to configure QPPB on Cisco IOS XR routers? A. Define a QPPB route policy to match the customer IP precedence or qos-group markings, then set the BGP community B. Enable QPPB on an interface using the ipv4 bgp policy propagation input ip-precedence|qos-group...

ปีที่เจ็ด (7/๗) H...happy ขอให้มี ความสุข สนุกสนาน A...advance งานการ ก้าวหน้า หาสิ่งใหม่ P...proud พร้อมพรั่ง ทั้งเรื่อง ภาคภูมิใจ P...protect ปกป้อง ปลอดภัย จากอันตราย Y...young คงความสาว เยาว์วัย หน้าใสผ่อง N...normal ไม่ขัดข้อง ครบจริง ทุกสิ่งสรร E...easy สะดวกสบาย ง่ายดาย สารพัน...

Within the service provider core network, which two QoS mechanisms are typically deployed on the P routers? A. traffic shaping B. traffic policing and remarking C. WRED D. link fragmentation and interleaving E. traffic classification and markings F. LLQ

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 much fewer protocol options than on the Cisco IOS or IOS XE, like there is no option such as the match protocol yahoo-messenger...

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 customer network and the CE router ingress and applying the required egress QoS policy on the CE router B. between the PE and P router...

Which of the following three statements are correct regarding IPv6 QoS? A. DS-TE is not supported by IPv6. B. Per-hop behavior in IPv6 networks is based on EXP bits. C. A 20-bit flow label field enables per-flow processing. D. IPv6 QoS features are configured using the modular QoS CLI on...

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? A. the maximum threshold B. the minimum threshold C. the ingress or egress direction where the class-based WRED policy will...

Refer to the Cisco IOS XR policy-map configuration exhibit. policy-map test ! class one priority level 1 ! class two priority level 2 ! class three bandwidth percent 60 ! interface GigabitEthernet0/0/0/2 service-policy output test ! What is wrong with the policy-map configuration...

On Cisco routers, how is hierarchical QoS implemented? A. Use the policy-map command within a service-policy to implement nested policy-maps. B. Within the child policy, reference another parent policy using the policy-map command. C. Within the parent policy-map, reference another child...

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 the output direction. B. On the Cisco IOS XR, LLQ can be applied in the input or output direction. C. On the Cisco IOS XR, LLQ can use up to four...

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 2 (bandwidth priority) B. class-type class-default (bandwidth best-effort) C. class-type 0 (bandwidth global pool) D. class-type 1 (bandwidth subpool)

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 the queuing algorithm? A. FIFO B. priority queuing C. custom queuing D. CBWFQ E. WFQ

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? A. shape B. police C. bandwidth D. random-detect

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 flow-type rates? A. Committed Access Rate B. ACL C. Management Plane Protection D. NetFlow E. Control Plane Policing...

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

DS-TE implementations on Cisco routers support which bandwidth pool(s) and class type(s)? A. global pool and subpool B. subpool only C. class-type 1 only D. global pool only E. class-type 0 and class-type 1 F. class-type 0 only

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

Conform, exceed, and violate are conditions can occur when metering traffic using a dual token bucket traffic policing QoS mechanism on Cisco routers. How a Traffic Policing Mechanism Regulates Traffic The time interval between token updates (Tc) to the token bucket is updated at the CIR...

Which three conditions can occur when metering traffic using a dual token bucket traffic policing QoS mechanism on Cisco routers? A. conform B. exceed C. matched D. violate E. pass F. burst