- 1. Networks are grouped on the following factors except:
A) purpose
B) geography
C) pricing considerations
D) ownership
- 2. One of the major roles of the network layer is to provide a mechanism for addressing:
A) hosts
B) users
C) applications
D) domains
- 3. Rather than having all existing network hosts connected to 1 network, it is more practical to group hosts into specific:
A) networks
B) protocols
C) vista registry-based accounts
D) domains
- 4. Common issues with large networks involve the following except:
A) performance degradation
B) address management
C) price considerations
D) security issues
- 5. Broadcasts are contained within a network. In this context, a network is also known as a broadcast
A) server
B) application
C) host
D) domain
- 6. In the IP address 192.168.18.57, the first 3 octets identify the:
A) geography
B) network
C) ports
D) hosts
- 7. In the IP address 192.168.18.57, the last octet identifies the:
A) geography
B) network
C) port
D) host
- 8. The number of bits of an address used as the network portion is called the prefix:
A) network
B) length
C) port
D) host
- 9. In IPv4, the information used by the router to forward data packets from one interface to another is the:
A) destination network address
B) source MAC address
C) destination MAC address
D) source network address
- 10. During the encapsulation that takes place in the OSI Network layer, the information added is the source and destination:
A) IP address
B) source and destination MAC address
C) source and destination PORT address
D) source and destination application 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) 1
B) 255
C) 168
D) 192
- 14. Routing information that is entered manually into the routing table is said to be:
A) static
B) superior
C) dynamic
D) stable
- 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) reconfigure it
B) discard it
C) remember it
D) refile it
- 16. Two intermediary devices that can help implement security in a network are a router and a/an:
A) VOIP phone
B) norton
C) firewall
D) kaspersky
- 17. To decrease broadcasts on a large network, a network admin can replace a lan switch with a:
A) blackberry
B) VOIP phone
C) firewall
D) router
- 18. To decrease broadcasts on a large network, a network admin can expand the network by widening it in a process called:
A) gatewaying
B) firewalling
C) subnetting
D) routing
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