In an AS with 10 routers running IBGP, how many IBGP sessions will be required to establish fully meshed IBGP peerings?

In an AS with 10 routers running IBGP, how many IBGP sessions will be required to establish fully meshed IBGP peerings?A . 10B . 20C . 45D . 50E . 99F . 100View AnswerAnswer: C

September 28, 2018 No Comments READ MORE +

In Cisco IOS and Cisco IOS XE Software images, when redistributing routes from other routing protocols into OSPF, what is a common reason why some of the routes might not be redistributed into OSPF?

In Cisco IOS and Cisco IOS XE Software images, when redistributing routes from other routing protocols into OSPF, what is a common reason why some of the routes might not be redistributed into OSPF?A . The OSPF external metric type (E1 or E2) is not defined.B . The OSPF seed...

September 27, 2018 No Comments READ MORE +

When implementing LDP, what is liberal label retention mode?

When implementing LDP, what is liberal label retention mode?A . To reduce the convergence time, the LSR will retain all the received labels in its LIB even if all the neighbor LSRs go down temporaryB . The LSR can assign it's own label for each destination network even though it...

September 27, 2018 No Comments READ MORE +

Which three statements are correct regarding the OSPF operations? line (Choose three.)

Which three statements are correct regarding the OSPF operations? line (Choose three.) A . PE5 OSPFv2 and OSPFv3 router id is 10.5.1.1B . The OSPF virtual-link cost is 1C . Area 3 is a transit areaD . Area 4 is using MD5 authenticationE . Area 1 IPv4 and IPv6 networks...

September 27, 2018 No Comments READ MORE +

What is recursive lookup in BGP and how does it work?

What is recursive lookup in BGP and how does it work?A . The router looks up the EBGP route and the EBGP next hop to reach a destination in the remote AB . Then the router looks up the route to reach the EBGP next hop using the IBGD ....

September 26, 2018 No Comments READ MORE +

Which two statements regarding OSPFv2 or OSPFv3 authentication are correct? (Choose two.)

Which two statements regarding OSPFv2 or OSPFv3 authentication are correct? (Choose two.)A . OSPFv2 supports MD5 authentication.B . OSPFv2 supports MD5 or SHA authentication.C . OSPFv2 relies on the native security stack that uses IPsec.D . OSPFv3 supports MD5 authentication.E . OSPFv3 supports MD5 or SHA authentication.F . OSPFv3 relies...

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Which two statements about a transit AS are correct? (Choose two.)

Which two statements about a transit AS are correct? (Choose two.)A . A transit AS has eBGP connection(s) to only one external AC . Routes between ASs are always exchanged via eBGE . A transit AS uses an IGP like OSPF or ISIS to propagate the external networks within the...

September 25, 2018 No Comments READ MORE +

Which three statements are true regarding the OSPF router ID? (Choose three.)

Which three statements are true regarding the OSPF router ID? (Choose three.)A . The OSPF routing process chooses a router ID for itself when it starts up.B . The router-id command is the preferred procedure to set the router ID . If a loopback interface is configured, its address will...

September 24, 2018 No Comments READ MORE +

When using the show bgp ipv6 unicast summary command to verify the IPv6 BGP session status with the IPv6 BGP peers, you noticed the "St/PfxRcd" status for one of the IPv6 BGP peers is in the "Active" state. What does the "Active" state indicate?

When using the show bgp ipv6 unicast summary command to verify the IPv6 BGP session status with the IPv6 BGP peers, you noticed the "St/PfxRcd" status for one of the IPv6 BGP peers is in the "Active" state. What does the "Active" state indicate?A . The IPv6 BGP session has...

September 24, 2018 No Comments READ MORE +