2014 Latest Cisco 350-001 Dump Free Download(71-80)!
Which two of these are differences between traffic policing and traffic shaping? (Choose two.)
A. with traffic shaping, a router stores excess traffic in packet buffers until bandwidth is available again
B. with policing you can tune the buffer usage for traffic exceeding the specified CIR
C. with shaping you can tune the buffer usage for traffic exceeding the specified CIR
D. shaping should only be applied for ingress traffic, policing only for egress
E. policing uses a token bucket algorithm, shaping uses an SPD algorithm
Which of these is a valid differentiated services PHB?
A. Guaranteed PHB
B. Class-Selector PHB
C. Reserved Forwarding PHB
D. Discard Eligible PHB
E. Priority PHB
An expanding company is deploying leased lines between its main site and two remote sites. The
bandwidth of the leased lines is 128kb/s each, terminated on different serial interfaces on the main router. These links are used for combined VOIP and data traffic. The network administrator has
implemented a VOIP solution to reduce costs, and has therefore reserved sufficient bandwidth in a low latency queue on each interface for the VOIP traffic. Users now complain about bad voice
quality although no drops are observed in the low latency queue.
What action will likely fix this problem?
A. mark VOIP traffic with IP precedence 6 and configure only ‘fair-queue’ on the links
B. configure the scheduler allocate 3000 1000 command to allow the QoS code to have enough CPU
C. enable class-based traffic shaping on the VoIP traffic class
D. enable Layer 2 fragmentation and interleaving on the links
E. enable Frame Relay on the links and send voice and data on different Frame Relay PVCs
You are the network administrator of an enterprise with a main site and multiple remote sites. Your network carries both VOIP and data traffic. You agree with your service provider to classify VOIP and data traffic according to the different service RFCs. How can your data and VOIP traffic be marked?
A. data marked with DSCP AF21, VOIP marked with DSCP EF
B. data marked with DSCP AF51, VOIP marked with DSCP EF
C. data marked with the DE-bit, VOIP marked with the CLP-bit
D. data marked with DSCP EF, VOIP marked with DSCP AF31
E. data marked with IP precedence 5, VOIP marked with DSCP EF
All of these are fundamental building blocks of a differentiated services Traffic Conditioner Block except which one?
Which types of prefixes will a router running BGP most likely advertise to an IBGP peer, assuming it is not configured as a route reflector?
A. prefixes received from any other BGP peer and prefixes locally originated via network statements or
B. all prefixes in its routing table
C. prefixes received from EBGP peers and prefixes locally originated via network statements or
D. prefixes received from EBGP peers and prefixes received from route reflectors
E. prefixes received from other IBGP peers, prefixes received from EBGP peers, and prefixes
redistributed to BGP
F. prefixes received from other IBGP peers and prefixes received from route reflectors
If your autonomous system will be passing traffic through it from another autonomous system to a third autonomous system, it is very important that your autonomous system be consistent about the routes that it advertises. For example, if your BGP were to advertise a route before all routers in your network had learned about the route through your IGP, your autonomous system could receive traffic that some routers cannot yet route. To prevent this from happening, BGP must wait until the IGP has propagated routing information across your autonomous system. This causes BGP to be synchronized with the IGP. Synchronization is enabled by default.
You have two EBGP peers connected via two parallel serial lines. What should you do to be able
to load-balance between two EBGP speakers over the parallel serial lines in both directions?
A. nothing, BGP automatically load-balances the traffic between different autonomous systems on all
B. peer between the eBGP speaker’s loopbacks, configuring eBGP multihop as required, and use an
IGP to load-share between the two equal-cost paths between the loopback addresses
C. configure a loopback as update source for both EBGP peers and have on each AS an IGP to
introduce two equal-cost paths to reach the EBGP peer loopback address; it is also necessary to
use the next-hop-self command
D. use the ebgp-load-balance command on the neighbor statement on both sides
E. configure a loopback as update source for both EBGP peers and have on each AS an IGP to
introduce two equal-cost paths to reach the peer loopback address; it is also necessary to use the
ebgp-multihop and next-hop-self commands
Which three of these statements about penultimate hop popping are true? (Choose three.)
A. It is used only for directly connected subnets or aggregate routes.
B. It can only be used with LDP.
C. It is only used when two or more labels are stacked.
D. It enables the Edge LSR to request a label pop operation from its upstream neighbors.
E. It is requested through TDP using a special label value that is also called the implicit-null value.
F. It is requested through LDP using a special label value that is also called the implicit-null value.
In order to implement penultimate hop popping, the edge LSR requests a label pop operation from its upstream neighbor via LDP or TDP using a special implicit-null label. This label has a value of 3 for LDP and 1 for TDP.
Which of these best identifies the types of prefixes a router running BGP will advertise to an EBGP peer?
A. prefixes received from any other BGP peer and prefixes locally originated via network statements
or redistributed to BGP
B. all prefixes in its IP routing table
C. only prefixes received from EBGP peers and prefixes locally originated via network statements or
D. only prefixes received from EBGP peers and prefixes received from route reflectors
E. all prefixes in its routing table except the prefixes received from other EBGP peers
F. all prefixes in its routing table except the prefixes received from other IBGP peers
eBGP peers will advertise all known eBGP routes to all other eBGP peers. iBGP peers will only advertise their own internal routes to other iBGP peers. A BGP speaking router will never advertise another iBGP peer’s routes to any other iBGP peer.
Which standard supports multiple instances of spanning tree?
Multiple Spanning Tree Protocol (MSTP) was first specified in IEEE 802.1s and is standardized in IEEE 802.1Q. MSTP enables multiple VLANs to be mapped to the same spanning-tree instance, reducing the number of spanning-tree instances needed to support a large number of VLANs. MSTP provides multiple forwarding paths for data traffic and enables load balancing. It improves the fault tolerance of the network because a failure in one instance, or forwarding path, does not affect other instances
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