2.4

Question 1

A ______________ relay agent can be configured to provide forwarding of DHCP traffic between different subnets.

Answer 1

DHCP

Question 2

A ____________ record is found in reverse lookup zones and is used to resolve an IP address to an associated host name.

Answer 2

PTR

Question 3

The _______________ connects storage area networks using 3 main types of components: the initiator, the target, and the Fibre Channel switch

Answer 3

Fibre Channel

Question 4

The___________ is the client device of the SAN

Answer 4

initiator

Question 5

The ____________ is the network port for a storage device.

Answer 5

target

Question 6

The Fibre Channel switch, sometimes referred to as a _________ , provides the connections between the initiator and the target

Answer 6

director

Question 7

The _______________ layer provides fault-tolerant interconnections between different access blocks.

Answer 7

distribution/aggregation

Question 8

The _______________ can link Storage Area Networks (SANs) but is also seen as an alternative to Fibre Channel itself since it works over ordinary Ethernet network adapters and switches.

Answer 8

iSCSI

Question 9

IPV4 depends heavily on the Dynamic Host Configuration Protocol (DHCP) for address autoconfiguration. IPv6 uses a more flexible_____________________

Answer 9

system of address autoconfiguration called stateless address autoconfiguration (SLAAC).

Question 10

The 192.168.1.128/26 network provides ________ assignable IP addresses in the range of 192.168.1.129 - 192.168.1.190. This is enough addresses to support the 50 computers of the marketing department.

Answer 10

62

Question 11

The __________ address is a reserved address, typically an IPv4 address of 127.0.0.1. It is often used to check that TCP/IP is correctly installed on the local host

Answer 11

loopback

Question 12

The _______________________ is the router. A layer 3 switch can operate on the network layer to route traffic. Pinging the gateway will verify that a path exists to eventually route to other offices.

Answer 12

default gateway

Question 13

A _______________ address identifies multiple network interfaces. Unlike Internet Protocol version 4 (IPv4), Internet Protocol version 6 (IPv6) must support multicast. The first 8 bits indicate the address is within the multicast scope (1111 1111 or ff). The address ff02::1 has a target of all link-local nodes.

Answer 13

multicast

Question 14

The CompTIA troubleshooting methodology:

Answer 14

Identify the problem
Establish a theory of probable cause
Test the theory to determine the cause
Establish a plan of action to resolve the problem and implement the solution
Verify full system functionality, and, if applicable, implement preventive measures
Document findings, actions and outcomes