- 1. Networks are grouped on the following factors except:
A) geography B) pricing considerations C) ownership D) purpose
- 2. One of the major roles of the network layer is to provide a mechanism for addressing:
A) applications B) users C) domains D) hosts
- 3. Rather than having all existing network hosts connected to 1 network, it is more practical to group hosts into specific:
A) protocols B) vista registry-based accounts C) networks D) domains
- 4. Common issues with large networks involve the following except:
A) security issues B) price considerations C) address management D) performance degradation
- 5. Broadcasts are contained within a network. In this context, a network is also known as a broadcast
A) domain B) application C) host D) server
- 6. In the IP address 192.168.18.57, the first 3 octets identify the:
A) network B) geography C) ports D) hosts
- 7. In the IP address 192.168.18.57, the last octet identifies the:
A) port B) geography C) network D) host
- 8. The number of bits of an address used as the network portion is called the prefix:
A) network B) length C) host D) port
- 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 network address C) destination MAC address D) source MAC 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) IP address D) source and destination PORT address
- 11. The IP packet field used to prevent endless loops is the:
A) Denial of Service B) Time To Live C) Quality of Service D) Type of Service
- 12. Connection-less systems are faster because they fail to contact the destination before a _______ is sent.
A) port B) user C) packet D) server
- 13. Sometimes, default gateways have what number as their last IP address octet?
A) 1 B) 168 C) 192 D) 255
- 14. Routing information that is entered manually into the routing table is said to be:
A) superior B) dynamic C) stable D) static
- 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) norton B) VOIP phone C) firewall D) kaspersky
- 17. To decrease broadcasts on a large network, a network admin can replace a lan switch with a:
A) firewall B) router C) VOIP phone D) blackberry
- 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) routing D) subnetting
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