The mechanisms for distributing LDP are:
A. CEF and the FIB table
B. UDP and IP
C. A and B
D. RSVP and CEF
E. LDP and RSVP
Which two statements are true about RPF checks in MSDP(Multicast Source Discovery Protocol)?
A. It prevents message looping, Session Advertisement (SA) messages must be RPF checked.
B. RPF check should be done against the route to the Rendez-vous Point of the corresponding PIM-SM
domain, which originated the SA.
C. RPF checking Session Advertisement (SA) messages will cause message looping.
D. RPF check should be done against the route to the source S of the corresponding PIM-SM domain.
BGP best route selection process is based on what ?
A. path attributes
B. lowest cost
C. highest bandwidth
D. lowest delay
E. lowest hop-count
Pick the 4 valid ATM Cell Header fields:
A. GFC-4 bits of generic flow control
B. Forward-explicit congestion notification(FECN)
C. VCI-16 bits of virtual channel identifier
D. CLP-1 bit of congestion loss
E. HEC-8 bit of header error control
F. ATM Discard Eligibility(DE) bit
A network administrator wants to detect a login attack against a router. What IOS command can make the attack recorded in syslog server?
A. Login detect login-failure log
B. none of the above
C. Logging detect fail-login
D. Login on-failure log
E. Logging login on-failure
R3 and R4 are Route-Reflectors and there is an I-BGP session between them, there is NO I-BGP session between R1 and R2. For an External Route from CE-2 in R2 to reach R1, which two statements are true?
A. R1, R3 and R4 establish full mesh I-BGP sessions, R2, R3 and R4 establish full mesh I-BGP sessions.
B. R1 acts as a Route-Reflector client to R3, R2 acts as a Route-Reflector client to R4.
C. R1 acts as a Route-Reflector client to R4, R4 acts as a Route-Reflector client to R4, R2 acts as a
Route-Reflector client to R3.
D. CE-2 establishes multi-hop E-BGP sessions with R3 and R4.
With the BGP peerings shown, which 3 solutions are most correct?
A. rtrA and rtrD are route-reflector-clients; rtrB and rtrC are route reflectors part of the same cluster.
B. rtrA and rtrD are route-reflector-clients; rtrB and rtrC are route reflectors part of the different cluster.
C. rtrA, rtrB and rtrC are part of a confederation sub-AS and rtrD is part of a different confederation sub-
D. rtrA, rtrB are part of one confederation sub-AS and rtrC,rtrD are part of a different confederation sub- AS
E. rtrA, rtrB and rtrC are part of a confederation sub-AS where rtrB is a route reflector and rtrA, rtrC are route-reflector-clients.
In Multicast VPN (MVPN) implementations, which two of the following statements are regarding the Default
MDT Group? (Choose two.)
A. It is used for PIM control traffic.
B. It is optionally configured for a high bandwidth multicast source to reduce multicast traffic replication to uninterested PE routers.
C. Within the VPF configuration in the PE router, multiple Default MDT groups are configured so each
VPF can support multiple multicast sources.
D. There is a reduced multicast state in the MPLS core P routers.
E. When multicast traffic exceeds a certain configured threshold, traffic from the Data MDT is switched to the Default MDT to conserve bandwidth.
VoIP bearer traffic is typically marked to which DSCP value ?
C. 0 (default )
In which of the following BGP-related events is an End-of-RIB (EOR) message sent?
A. Following a link flap in the BGP speaker’s AS
B. During initial convergence.
C. Following a Route Processor Switchover.
D. Just before sending a CEASE message to tear down the session.
E. During capability negotiation
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