Cisco CCIE Written Metro Ethernet Set 3

1.

What statement is correct regarding Virtual LANs (VLANs)?

It is permissible to bridge inside a VLAN, but not to route between VLANs. It is not permissible to bridge inside a VLAN, but it is valid to route between VLANs. It is permissible to bridge inside a VLAN and to route between VLANs. It is not permissible to bridge inside or route between VLANs.

2.

What is true about the DLCI field in the Frame Relay header?

It consists of two portions, source and destination, which map data to a logical channel. It generally has significance only between the local switch and the DTE device. It is an optional field in the ITU-T specification. It is present only in data frames sent through the network.

3.

What is true about the EoMPLS control word?

It is different for .1q tagged versus untagged Ethernet frames. It indicates the class of service of an EoMPLS packet. It is only used for .1q tagged packets, to convery the tag to the remote end. The first 4 bits are 0 as to not alias an IP packet. There is no such a thing as EoMPLS control word.

4.

In a Distance Vector protocol, "counting to infinity":

Calculates the time taken for a protocol to converge Checks to make sure the number of route entries do not exceed a set upper limit Counts the packets dropped during a routing loop Sets an upper limit for hop count, so that routing loops can be broken if this limit is reached Causes the router to enter an infinite loop and requires the router to be restarted

5.

What is true about the EoMPLS control word?

It is optional, but Cisco implementation never uses it. It is optional, but Cisco implementation always uses it. It is optional, and Cisco implementation uses it only whenever possible. It is required. There is no such a thing as EoMPLS control word.

6.

A router interface address is 180.60.45.96 with a mask of 255.255.255.224. What configuration statement will allow this interface to participate in OSPF Area 0?

router ospf 1
network 180.60.45.96 255.255.255.32 area 0 router ospf 1network 180.60.45.96 0.255.255.224 area 0 router ospf 1network 180.60.45.96 0.0.0.31 area 0 router ospf 1network 180.60.45.96 0.0.0.224 area 0

7.

FRTP stands for:

Frame Relay Top Pseudowire Frame Relay Traffic Pseudowire Frame Relay Traffic Policy Frame Relay Traffic Policing None of the above

8.

What technology allows transporting Layer2 attachment circuits over IP-only backbones?

GRE AToM L2TPv3 DLSW+

9.

What Q.931 message cannot be received in response to sending a Q.931 SETUP message?

Alerting Call Proceeding Connect USER Information Progress

10.

What is an Inter Switch Link (ISL)?

A protocol to interconnect switches across ATM only A protocol to interconnect switches across FDDI only An IEEE protocol to interconnect multiple switches A Cisco proprietary protocol for interconnecting multiple switches An IEEE protocol to interconnect multiple switches across Fast Ethernet

Cisco CCIE Written Metro Ethernet Set 3

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Cisco CCIE Written Metro Ethernet Set 3

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