CCIE Tips | Pass CCIE Exams

Question No. 1

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 unique label to reach the BGP next hop.
• B. The BGP next hops point to the PE routers, and only the PE routers are required to run BGP.
• C. A full mesh of IBGP sessions are required between all of the PE and P routers to ensure proper packets forwarding.
• D. The PE and P routers run LDP to learn the labels for reaching the BGP next-hop addresses.

Question No. 2

When implementing MPLS TE tunnels on Cisco IOS XR routers, what is the tunnel setup and hold priority value range, and which value has the highest priority?

• A. 0-63, where 0 is the highest priority
• B. 0-63, where 63 is the highest priority
• C. 0-7, where 0 is the highest priority
• D. 0-7, where 7 is the highest priority

Question No. 3

Which two values are class-selector DSCP values? (Choose two.)

• A. 001001
• B. 000111
• C. 111000
• D. 100000
• E. 000001

Question No. 4

Refer to the exhibit.

IT administrators report packet loss on the critical applications coming with CoS 4. Which option is the appropriate configuration to have a lower drop probability when the packets are processed using

DSCP values?

• A. set ip dscp af22
• B. set ip dscp af41
• C. set ip dscp af13
• D. set ip dscp af32

Question No. 5

How is bandwidth recalculated when utilizing the automatic bandwidth adjustment feature for MPLS TE?

• A. The tunnel’s output average is periodically sampled and then the bandwidth is adjusted to the largest
• B. The tunnel’s output is sampled and then the bandwidth is adjusted by a configured percentage until the
• C. Ping is used to measure congestion and the bandwidth is adjusted by a configured percentage until the maximum value is reached
• D. Ping is used to measure congestion and the bandwidth is adjusted to either the minimum, average, or

Question No. 6

How many labels does an MPLS packet have, with a bottom-of-stacklabel set to zero?

• A. The packet has no label.
• B. The packet has one label.
• C. The packet may have one or more labels.
• D. The packet has at least two labels.