A router is receiving updates for a subnet from different routing protocols. The administrator
wishes to take advantage of a path via a route with a less favorable Administrative Distance. What
can be done to effect this without losing any of the updates?

If two routers connected to the same Ethernet are configured to run HSRP (Hot Standby Router
Protocol) in the same group number, which router’s MAC address will be associated with the
virtual IP address?

To enable SONET payload scrambling on a POS interface, use what configuration command line?

Click the Exhibit button to view the graph.

The graph represents optical signal power versus wavelength measurement from 1550nm to
1560nm. What is the worst case optical signal-to-noise ratio (OSNR) of Channel 1 at 0.5nm away
from the peak?

What is the principle operation of back to back DWDM systems in selecting wavelengths to drop?

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. What is the destination MAC address of the
packet on Host’s 1 Ethernet?

Click the Exhibit button to view the topology.

Based on the information above, which OSPF configurations listed are valid?
(multiple answer)

When a TCP segment is lost, the TCP sender reacts by: (multiple answer)

Which three are examples of a non-linear effect? (Choose Three)

What wavelength window does a C-Band amplifier use?