PostTest Day 03

On what does BGP base the selection of the best path ?

• speed

• Attribute

• number of routers to reach a destination network

• bandwidth plus delay

BGP Keepalive Messages are to check the availability of the link.

• True

• False

Which type of BGP session can be established between 2 routers from different autonomous systems ?

• I-BGP session

• E-BGP session

• W-BGP session

• O-BGP session

What type of BGP message precedes the successful formation of a BGP peering session ?

• keepalive

• established

• withdraw

• open

• Update

Which BGP attribute includes a complete list of all the ASNs that the prefix advertisement has traversed from its source AS ?

• Local Preference (LocPrf)

• Multiple-exit discriminator (MED)

• Weight

• AS_Path

What is a potential disadvantage when implementing HSRP as compared to GLBP ?

• HSRP does not provide load balancing with multiple active routers

• HSRP does not function in a multivendor environment

• HSRP does not have the capability to support IPv6 addresses

• HSRP provides default gateway failover only when the active router fails

What are three advantages of using private IP addresses and NAT? (Choose three.)

• creates multiple public IP addresses

• permits LAN expansion without additional public IP addresses

• hides private LAN addressing from outside devices that are connected to the Internet

• improves the performance of the router that is connected to the Internet

• conserves registered public IP addresses

Which protocol creates a virtual point-to-point connection to tunnel unencrypted traffic between Cisco routers from a variety of protocols ?

• GRE

• IKE

• OSPF

• RIPv2

What two encryption algorithms are used in IPsec VPNs? (Choose two.)

• PSK

• 3DES

• AES

• DH

• IKE

Each VRF has its own separate routing table.

• True

• False