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