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CCIE Service Provider Optical written

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When this is detected, the retransmission is sent by


Click the Exhibit button to view the topology.Host 1 and Host 2 are on Ethernet LANs in different buildings. A serial line is installed between two Cisco routers using Cisco HDLC serial line encapsulation. Routers A and B are configured to route IP traffic. Host 1 sends a packet to Host 2. A […]

which subnets would be in the same Forwarding Equivalence Class (FEC) on router PE1

Click the Exhibit button to view the topology.In the MPLS network shown, which subnets would be in the same Forwarding Equivalence Class (FEC) on router PE1:

What is the effective bandwidth of a 6 node, four-fiber OC-48 BLSR ring if all the traffic

What is the effective bandwidth of a 6 node, four-fiber OC-48 BLSR ring if all the traffic on the ring is homed back to one node (hub-and-spoke) without Protection Channel Access (PCA)?

Hown in the graph is an example of a

Click the Exhibit button to view the graph.The graph represents optical signal power versus wavelength measurement from 1550nm to 1560nm. The laser type that provides very narrow spectral widths, (<100kHz) in the 1550nm range for DWDM applications (as shown in the graph), is an example of a:

When this is detected, the retransmission is sent by

Click the Exhibit button to view the topology.Host 1 and Host 2 are on Ethernet LANs in different buildings. A serial line is installed between two Cisco routers using Cisco HDLC serial line encapsulation. Routers A and B are configured to route IP traffic. Host 1 sends a packet to Host 2. A […]


which subnets would be in the same Forwarding Equivalence Class (FEC) on router PE1

Click the Exhibit button to view the topology.In the MPLS network shown, which subnets would be in the same Forwarding Equivalence Class (FEC) on router PE1:

Optical Supervisory Channel that connects Cisco DWDM active platforms is

Optical Supervisory Channel that connects Cisco DWDM active platformsis:

Host D sends a frame to Host B at the same time that Host B sends a frame to Host D

Click the Exhibit button to view the topology.Host D sends a frame to Host B at the same time that Host B sends a frame to Host D. Bridging is enabled on Router 1, and the two frames collide into each other. Select the best explanation of why Host B will or will not receive the original frame […]

The graph represents optical signal power versus wavelength measurement from 1550nm to 1560nm

Click the Exhibit button to view the graph.The graph represents optical signal power versus wavelength measurement from 1550nm to 1560nm. The laser type that provides very narrow spectral widths, (<100kHz) in the 1550nm range for DWDM applications (as shown in the graph), is an example of a:

A line hit on the serial line causes an error in the packet

Click the Exhibit button to view the topology.Host 1 and Host 2 are on Ethernet LANs in different buildings. A serial line is installed between two Cisco routers using Cisco HDLC serial line encapsulation. Routers A and B are configured to route IP traffic. Host 1 sends a packet to Host 2. A […]



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