A network has two Cisco WLCs and two Layer 3 gigabit Ethernet switches. The customer requires two gigabit connections from each Cisco WLC to each of the switches that have copper RJ-45 gigabit…

The correct answer is A. Four straight-through Ethernet cables C. Four copper SFPs must be added to the kit list. The requirement is 2 connections per WLC × 2 WLCs = 4 total gigabit links. Cisco WLCs use SFP (Small Form-factor Pluggable) slots for their uplink/distribution ports rather than built-in copper RJ-45 ports. Because the switches have copper RJ-45 gigabit ports, the WLC SFP slots…

Wireless Infrastructure

Question

A network has two Cisco WLCs and two Layer 3 gigabit Ethernet switches. The customer requires two gigabit connections from each Cisco WLC to each of the switches that have copper RJ-45 gigabit ports. What two additional hardware are needed to connect the Cisco WLCs to the network? (Choose two.)

Options

AFour straight-through Ethernet cables
BLayer 3 switching module in each of the Cisco WLCs
CFour copper SFPs must be added to the kit list
DTwo console cables
EFour rollover Ethernet cables

How the community answered

(55 responses)

A
89% (49)
B
2% (1)
D
4% (2)
E
5% (3)

Explanation

The requirement is 2 connections per WLC × 2 WLCs = 4 total gigabit links. Cisco WLCs use SFP (Small Form-factor Pluggable) slots for their uplink/distribution ports rather than built-in copper RJ-45 ports. Because the switches have copper RJ-45 gigabit ports, the WLC SFP slots must be populated with copper 1000BASE-T SFPs (not fiber SFPs), requiring 4 copper SFPs total. Each copper SFP connects to the switch via a standard straight-through Cat5e/Cat6 Ethernet cable, so 4 straight-through cables are also needed. Console cables are for out-of-band management only, and Layer 3 switching modules in the WLC are not a requirement for physical uplink connectivity.

Topics

#WLC hardware#copper SFP#gigabit uplink#cabling

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