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Exam Code: 400-101
Exam Name: CCIE Routing and Switching (v5.0)
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Q411. DRAG DROP
Drag and drop the fragmentation characteristics on the left to the corresponding protocol on the right.
Q412. Refer to the exhibit.
Which statement is true?
A. This is an MPLS TE point-to-multipoint LSP in an MPLS network.
B. This is an MPLS TE multipoint-to-point LSP in an MPLS network.
C. This is a point-to-multipoint LSP in an MPLS network.
D. This is a multipoint-to-multipoint LSP in an MPLS network.
Same example of this provided on slide 24 at the reference link below:
Reference: “mVPN Deployment Models” Cisco Live Presentation
http://d2zmdbbm9feqrf.cloudfront.net/2014/eur/pdf/BRKIPM-2011.pdf, slide 24
Q413. When the BGP additional-paths feature is used, what allows a BGP speaker to differentiate between the different available paths?
A. The remote BGP peer prepends its own next-hop address to the prefix.
B. A unique path identifier is encoded into a dedicated field to the NLRI.
C. A route distinguisher is appended to the prefix by the receiving BGP speaker.
D. The additional path information is encoded in an extended community.
Q414. Which two statements about Metro Ethernet services are true? (Choose two.)
A. EPL is a point-to-point service from one customer site to another across an MPLS
B. EVPL is a multipoint service that emulates a LAN over an MPLS backbone.
C. EPLAN is a multipoint service that emulates a LAN over an MPLS backbone.
D. EVPL is a point-to-point service from one customer site to another across an MPLS backbone.
E. ELAN is a point-to-point service from one customer site to another across an MPLS backbone.
F. EVPL is a multipoint service with a root node that is suitable for multicast services.
Q415. DRAG DROP
Drag and drop the SNMP element on the left to the corresponding definition on the right.
Q416. Which three options are characteristics of a Type 10 LSA? (Choose three.)
A. It is an area-local, opaque LSA.
B. Data is flooded to all routers in the LSA scope.
C. It is used for traffic-engineering extensions to OSPF.
D. It is a link-local, opaque LSA.
E. Data is flooded only to the routers in the LSA scope that understand the data.
F. It is used for traffic-engineering extensions to LDP.
Q417. Which set of commands conditionally advertises 172.16.0.0/24 as long as 10.10.10.10/32 is in the routing table?
A. Option A
B. Option B
C. Option C
D. Option D
Advertise maps are used for conditional routing to advertise specified prefixes if something which is specified in exist map exists. In our question we need to advertise 172.16.0.0/24 if 10.10.10.10/32 exists in the routing table so we have to use commanD. “neighbor x.x.x.x advertise-map <prefix-list of 172.16.0.0/24> exist-map <prefix-list of 10.10.10.10/32>”. Therefore B is correct.
Q418. What is the VLAN ID range of VLANs that are eligible for pruning?
A. 2 through 1001
B. 1 through 1005
C. 1 through 4096
D. 2 through 1005
Q419. Which statement describes the BGP add-path feature?
A. It allows for installing multiple IBGP and EBGP routes in the routing table.
B. It allows a network engineer to override the selected BGP path with an additional path created in the config.
C. It allows BGP to provide backup paths to the routing table for quicker convergence.
D. It allows multiple paths for the same prefix to be advertised.
BGP routers and route reflectors (RRs) propagate only their best path over their sessions. The advertisement of a prefix replaces the previous announcement of that prefix (this behavior is known as an implicit withdraw). The implicit withdraw can achieve better scaling, but at the cost of path diversity. Path hiding can prevent efficient use of BGP multipath, prevent hitless planned maintenance, and can lead to MED oscillations and suboptimal hot-potato routing. Upon nexthop failures, path hiding also inhibits fast and local recovery because the network has to wait for BGP control plane convergence to restore traffic. The BGP Additional Paths feature provides a generic way of offering path diversity; the Best External or Best Internal features offer path diversity only in limited scenarios. The BGP Additional Paths feature provides a way for multiple paths for the same prefix to be advertised without the new paths implicitly replacing the previous paths. Thus, path diversity is achieved instead of path hiding.
Q420. Refer to the exhibit.
Which action will solve the error state of this interface when connecting a host behind a Cisco IP phone?
A. Configure dot1x-port control auto on this interface
B. Enable errdisable recovery for security violation errors
C. Enable port security on this interface
D. Configure multidomain authentication on this interface
In single-host mode, a security violation is triggered when more than one device are detected on the data vlan. In multidomain authentication mode, a security violation is triggered when more than one device are detected on the data or voice VLAN. Here we see that single host mode is being used, not multidomain mode.
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