4A0-106 Practice Exam Questions and Answers

A.  

The ASBRs use MP-eBGP to peer with each other and exchange IPv4 routes between autonomous systems.

B.  

The ASBRs use MP-iBGP to peer with PE routers in their autonomous system and exchange VPN-IPv4 routes.

C.  

The ASBRs maintain a mapping of labels for IPv4 routes exchanged between autonomous systems.

D.  

The ASBRs require per-VPRN configuration.

A.  

It will label switch the packet based on this label

B.  

It will decrement the TTL and label switch the packet based on this label

C.  

It will SWAP the label for a new label and then label switch the packet

D.  

The P router does not perform any operation on this label

A.  

In the routing updates exchanged from CE to PE

B.  

In the routing updates exchanged from PE to PE

C.  

In the routing updates exchanged from P to PE

D.  

In customer packets as they traverse the provider core

E.  

In all route tables of the VPRN control plane

A.  

Full mesh between all CE, PE and P devices

B.  

Full mesh between PE and P devices

C.  

Full mesh of P devices

D.  

Full mesh of PE devices

E.  

Full mesh between PE and CE devices

A.  

PE2 pushes one label on the IP packet and forwards it to ASBR2.

B.  

ASBR2 forwards the IP packet with one label to ASBR1.

C.  

ASBR1 forwards the IP packet with two labels to PEL

D.  

PE1 forwards an unlabeled IP packet to CE1.

A.  

A P router may forward customer packets to their destination without the presence of a route to that destination

B.  

The ingress PE router may forward customer packets to their destination without the presence of a route to that destination

C.  

The egress PE router may forward customer packets to their destination without the presence of a route to that destination

D.  

Any provider core router (P or PE) may forward customer packets to their destination without the presence of a route to that destination

A.  

Reduced number of VPN tunnels that need to be managed

B.  

Centralized filtering policies with the introduction of a hub site

C.  

Optimal routing between all sites

D.  

Limited configuration required on the hub PE device

A.  

There will be increased memory usage on the PE

B.  

There will be increased CPU utilization on the PE

C.  

The CE will reject the overlapping prefix

D.  

The PE will not recognize the prefixes as being different

E.  

There is no issue with overlapping address space in a traditional Layer 3 VPN

A.  

The route with the lowest ME

D.  

B.  

The route with the shortest AS Path.

C.  

The route received from the lowest peer IP address.

D.  

The route with the lowest Origin.

A.  

The routes to be shared are identified by common route targets

B.  

The routes to be shared are identified by common route distinguishers

C.  

The routes to be shared are identified by common AS numbers

D.  

The routes to be shared are identified by common VPN labels