- 1. Networks are grouped on the following factors except:
A) purpose
B) ownership
C) geography
D) pricing considerations
- 2. One of the major roles of the network layer is to provide a mechanism for addressing:
A) domains
B) applications
C) hosts
D) users
- 3. Rather than having all existing network hosts connected to 1 network, it is more practical to group hosts into specific:
A) domains
B) protocols
C) vista registry-based accounts
D) networks
- 4. Common issues with large networks involve the following except:
A) address management
B) price considerations
C) performance degradation
D) security issues
- 5. Broadcasts are contained within a network. In this context, a network is also known as a broadcast
A) server
B) host
C) domain
D) application
- 6. In the IP address 192.168.18.57, the first 3 octets identify the:
A) geography
B) ports
C) network
D) hosts
- 7. In the IP address 192.168.18.57, the last octet identifies the:
A) network
B) geography
C) host
D) port
- 8. The number of bits of an address used as the network portion is called the prefix:
A) network
B) port
C) length
D) host
- 9. In IPv4, the information used by the router to forward data packets from one interface to another is the:
A) source MAC address
B) destination MAC address
C) source network address
D) destination network address
- 10. During the encapsulation that takes place in the OSI Network layer, the information added is the source and destination:
A) source and destination MAC address
B) source and destination application address
C) source and destination PORT address
D) IP address
- 11. The IP packet field used to prevent endless loops is the:
A) Time To Live
B) Denial of Service
C) Type of Service
D) Quality of Service
- 12. Connection-less systems are faster because they fail to contact the destination before a _______ is sent.
A) port
B) server
C) packet
D) user
- 13. Sometimes, default gateways have what number as their last IP address octet?
A) 168
B) 192
C) 255
D) 1
- 14. Routing information that is entered manually into the routing table is said to be:
A) superior
B) stable
C) static
D) dynamic
- 15. If a router does not have the destination network for a packet in its routing table, the router might do what to that IP packet?
A) refile it
B) reconfigure it
C) discard it
D) remember it
- 16. Two intermediary devices that can help implement security in a network are a router and a/an:
A) VOIP phone
B) kaspersky
C) norton
D) firewall
- 17. To decrease broadcasts on a large network, a network admin can replace a lan switch with a:
A) router
B) VOIP phone
C) blackberry
D) firewall
- 18. To decrease broadcasts on a large network, a network admin can expand the network by widening it in a process called:
A) subnetting
B) firewalling
C) routing
D) gatewaying
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