Questions exam blanc moodle
1. To make sure that packets are correctly transferred on the links from source to destination,
TCP is implemented at every hop in a route.
a. True
b. False
2. The network layer is concerned with _____ of data
a. Frames
b. Bytes
c. Packets
d. Bits
3. UTP and STP are different implementation of ______ cable.
a. Fiber optic
b. None of the choices are correct
c. Twisted pair
d. Coaxial
4. ICMP messages are carried in IP datagrams
a. True
b. False
5. _______ allows a site to use a set of private addresses for interna communication and a set
of global internet addresses for communication with the rest of the world.
a. DHCP
b. None of the choices are correct
c. NAT
d. ICMP
6. Using the network in the following figure, what whould be the default detaway address for
the Host A in the 192.133.219.0 network ?
a.
192.135.250.1
b.
192.31.7.1
c.
192.133.219.1
d.
192.133.219.0
7. The process to process delivery of the entire msg is the responsibility of the ______ layer
a. Physical
b. Application
c. Transport
d. Network
8. The IP service model is a ______ delivery service
a. None of the options is a valid response
b. Reliable
c. Guarantee
d. Best effort
9. In the layer hierarchy as the data packet moves from the upper to the lower layers, headers
are
a. Rearranged
b. Added
c. Removed
d. Modified
10. Multiple tcp streams can be distinguished on a given machine using _________
a. Network interface cards
b. Ports
c. Ip addresses
d. All of the other responses are correct
11. Any node in the ip network defined by 192.118.15.0/24 would be required to have an IP
address of the form 192.118.15.xxx
a. True
b. False
12. Ethernet is _______
a. A client server network
b. One of the lan technologies
c. One of the wan tehnologies
d. One of the physical media
13. A company has a network adress of 192.168.1.64 with a subnet mask of 255.255.255.192.
The company wants to create 3 subnetworks that would contain 10 hosts and 18 hosts
respectively. Which 2 networks would achieve that ? choose 2
a. 192.168.1.16/28
b. 192.168.1.64/27
c. 192.168.1.192/28
d. 192.168.1.96/28
e. 192.168.1.128/27
14. Transmission media are usually categorized as __________
a. Fixed or undifined
b. Determinate or indeterminate
c. Guided or nuguided
d. Metallic or nonmetallic
15. What command would be used on Router A to configure a static route to direct traffic from
LAN A that is destined for LAN C ?
16. The address resolution protocol (ARP) is used primarly to translate from :
a. Local IP addresses to remote IP addresses
b. IP addresses to MAC addresses
c. Host name to IP addresses
d. MAC addresses to IP addresses
17. An ISP customer has obtained a class c network address. The network technician needs to
create 5 usable subnets, with each subnet capable of containing at least 20 host addresses.
What is the appropriate subnet mask to use ?
a. 255.255.255.194
b. 255.255.255.240
c. 255.255.255.0
d. 255.255.255.224
18. Consider a router and the 2 attached subnets below (A and B). The nb of hosts is also shown
below. The subnets share the address space 51.224.166.0/24