1. Which of the following is NOT a valid MAC Address?
80:GF:AA:67:13:5D
95:B5:DD:EE:78:8A
88:0C:00:99:5F:EF
EA:BA:AA:EE:FF:CB
13:16:86:53:89:43
2. MAC layer by OSI model is also known as
Layer 2
Layer 1
Layer 6
Layer 7
Layer 3
3. Select which of the following are 'Public IP addresses':
172.168.254.2
172.28.73.21
11.63.72.21
10.110.50.37
192.168.0.1
4. What protocol does ping use?
TCP
ARP
UDP
ICMP
5. Select valid subnet masks:
255.192.0.0
255.255.192.255
192.0.0.0
255.255.224.0
6. What is term for the hardware coded address found on an interface?
FQDN Address
IP Address
Interface Address
MAC Address
7. A network ready device is directly connected to a MikroTik RouterBOARD 750 with a correct U.T.P. RJ45 functioning cable. The device is
configured with an IPv4 address of 192.168.100.70 using a subnet mask of 255.255.255.252. What will be a valid IPv4 address for the
RouterBOARD 750 for a successful connection to the device?
192.168.100.69/255.255.255.252
192.168.100.70/255.255.255.252
192.168.100.71/255.255.255.252
192.168.100.68/255.255.255.252
8. Select valid MACaddress
G2:60:CF:21:99:H0
00:00:5E:80:EE:B0
AEC8:21F1:AA44:54FF:1111:DDAE:0212:1201
192.168.0.0/16
9. The basic unit of a physical network (OSI Layer 1) is the:
Frame
Bit
Byte
Header
10. Choose all valid hosts address range for subnet 15.242.55.62/27
15.242.55.33-15.242.55.62
15.242.55.32-15.242.55.63
15.242.55.31-15.242.55.62
15.242.55.33-15.242.55.63
11. Which computers would be able to communicate directly (without any routers involved):
192.168.17.15/29 and 192.168.17.20/28
10.5.5.1/24 and 10.5.5.100/25
10.10.0.17/22 and 10.10.1.30/23
192.168.0.5/26 and 192.168.0.100
12. How many layers does Open Systems Interconnection model have?
6
9
5
7
12
13. How many usable IP addresses are there in a 20bit
subnet?
4096
4094
2046
2048
2047
14. You have a router with configuration
Public
IP :202.168.125.45/24
Default
gateway:202.168.125.1
DNS
server: 248.115.148.136, 248.115.148.137
Local
IP: 192.168.2.1/24
Mark the correct configuration on client PC to access to the Internet
IP:192.168.0.1/24 gateway:192.168.2.1
IP:192.168.2.253/24 gateway:202.168.0.1
IP:192.168.2.115/24 gateway: 192.168.2.1
IP:192.168.2.2/24 gateway:202.168.125.45
IP:192.168.1.223/24 gateway:248.115.148.136
15. Collisions are possible in fullduplex
Ethernet networks
false
16. In MikroTik RouterOS, Layer3
communication between 2 hosts can be achieved by using an address subnet of:
/31
/29
/32
/30
17. Which of the following protocols / port s are used for SNMP. (Simple Network Managemnt Protocol)
TCP 25
TCP 161
UDP 162
TCP 162
TCP 123
UDP 161
18. Which of the following are valid IP addresses?
10.10.14.0
192.168.256.1
192.168.13.255
1.27.14.254
19. The network address is
The first address of the subnet
The first usable address of the subnet
The last address of the subnet
20. How many IP addresses can one find in the header of an IP packet?
4
2
3
1
OKEE
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