A multi-layer switch operates at which of the following OSI layers?
A. Layers 1 and 5
B. Layers 2 and 3
C. Layers 4 and 5
D. Layers 5 and 6
A technician finds that the network card is no longer functioning. At which of the following OSI layers is the problem occurring?
A. Layer 1
B. Layer 3
C. Layer 5
D. Layer 7
The address 6FFE:FFFF:0000:2F3B:04AC:00FF:FEBE:5C4A is an example of which of the following?
A. APIPA
B. MAC
C. IPv4
D. IPv6
Which of the following dynamic routing protocols selects routing paths based upon hop count?
A. BGP
B. RIP
C. OSPF
D. IGRP
A technician, Joe, visits a site that has reported a network down emergency. He immediately reboots the switches and the router since the network is down. Which he following network troubleshooting methodology steps should Joe have performed FIRST?
A. Determine if anything has changed
B. Once a theory is confirmed determine the next step is to resolve the problem
C. Implement the solution or escalate as necessary
D. Question the obvious
The systems administrator has assigned an IP address and default gateway to a standard Layer 2 switch. Which of the following would be the primary purpose of doing this?
A. Allow VLAN routing
B. Enable packet filtering on the switch
C. Allow remote administration of the switch
D. Enable MAC filtering on the switch
A network technician visits a site that needs voice connectivity to the corporate office and installs four IP phones. The phone exchange resides at the telephone company. Which of the following technologies is being used?
A. Virtual switch
B. Virtual server
C. Virtual desktop
D. Virtual PBX
A MAC address is a part of which of the following OSI model layers?
A. Network
B. Data Link
C. Physical
D. Transport
An administrator is able to list the interfaces on a switch after providing the community string "public". Which of the protocols is the administrator MOST likely using?
A. Telnet
B. RADIUS
C. SSH
D. SNMP
DHCP uses which of the following ports by default?
A. 21
B. 23
C. 68
D. 443
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