How does an IS-IS router acknowledge the receipt of an IS-IS LSP on a point-to-point link?

• A.They are implicitly acknowledged by the DIS multicast of CSNPs.
• B.They are implicitly acknowledged as a part of the link-state database synchronization and maintenance procedures.
• C.They are explicitly acknowledged by sending a CSNP to the sender identifying the LSP.
• D.They are explicitly acknowledged by sending a PSNP to the sender identifying the LSP.

Comment: *

Name: *

Email: *

Verification: *

Which of the following are characteristics of an IES service? (Choose 2)

• A.A virtual routing/forwarding table is created per IES service.
• B.More than one IP interface can be created within a single IES service.
• C.Only one IES service can be created for a single customer ID.
• D.All IP interfaces created within the same IES service belong to the same customer

Comment: *

Name: *

Email: *

Verification: *

When are virtual links used in OSPF?

• A.When an area needs to connect directly to another area without using area 0.
• B.When two areas are connected to area 0, but there is no direct path between them.
• C.When two areas need to communicate and there is no area 0.
• D.When an area needs to traverse another area to reach area 0.

Comment: *

Name: *

Email: *

Verification: *

Which of the following statements is TRUE?

• A.An IES service must use static routes in order to communicate with customer networks.
• B.IES allows provider MP-BGP sessions to be extended to customers.
• C.An OSPF adjacency can be established on an IES interface.
• D.An IES interface supports OSPF and IS-IS in passive mode only.

Comment: *

Name: *

Email: *

Verification: *

All links have 1Gbps unreserved bandwidth initially and all LSPs have the least-fill feature enabled. After the two LSPs have been signaled as shown, two new LSPs are configured. LSP-3 is signaled first with 600Mbps reserved. LSP-4 is signaled after with 800Mbps reserved. All LSPs have the same setup and hold priorities.
Which paths will CSPF choose for LSP-3 and LSP-4?

• A.LSP-3 takes R1-R2-R4-R6 and LSP-4 takes R1-R3-R5-R6.
• B.LSP-3 takes R1-R3-R5-R6 and LSP-4 has no available path.
• C.LSP-3 takes R1-R2-R4-R6 and LSP-4 has no available path.
• D.LSP-3 takes R1-R3-R5-R6 and LSP-4 takes R1-R2-R4-R6.

Comment: *

Name: *

Email: *

Verification: *