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?

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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?

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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?

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

What wavelength window does a C-Band amplifier use?

What is the purpose of automatic gain control (AGC) in EDFA?

What tool holds settings for GateWay/SNMP, GateWay/TL1 and GateWay/CORBA?