Kuis MTCNA 1
Authored by Brain Kusuma
Computers
11th Grade
Used 66+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
How many usable IP addresses are there in a 20-bit subnet?
2047
2046
4096
4094
2048
Answer explanation
Explanation: A 20-bit subnet leaves 12 bits for host addresses, so 212−2=40942^{12} - 2 = 4094212−2=4094 usable addresses.
2.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
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:192.168.2.115/24 gateway: 192.168.2.1
IP:192.168.2.253/24 gateway:202.168.0.1
IP:192.168.1.223/24 gateway:248.115.148.136
IP:192.168.2.2/24 gateway:202.168.125.45
IP:192.168.0.1/24 gateway:192.168.2.1
Answer explanation
Explanation: The gateway should be on the same subnet as the client’s IP.
3.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
What protocol does ping use?
UDP
TCP
ICMP
ARP
Answer explanation
Explanation: The Ping utility uses the ICMP protocol.
4.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
In MikroTik RouterOS, Layer-3 communication between 2 hosts can be achieved by using an address subnet of:
/31
/32
/30
/29
Answer explanation
Explanation: A /30 subnet allows 2 usable IPs, typically for point-to-point communication between hosts.
5.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
The basic unit of a physical network (OSI Layer 1) is the:
Frame
Bit
Byte
Header
Answer explanation
Explanation: The basic unit at the Physical Layer (Layer 1) is the bit.
6.
MULTIPLE CHOICE QUESTION
3 mins • 5 pts
Which computers would be able to communicate directly (without any routers involved):
192.168.0.5/26 dan 192.168.0.100
192.168.17.15/29 dan 192.168.17.20/28
10.10.0.17/22 dan 10.10.1.30/23
10.5.5.1/24 dan 10.5.5.100/25
Answer explanation
Explanation: Both are on the same subnet when using a /24 mask, which allows direct communication.
7.
MULTIPLE SELECT QUESTION
3 mins • 5 pts
Which of the following are valid IP addresses?
192.168.256.1
192.168.13.255
1.27.14.254
10.10.14.0
Answer explanation
Explanation: These are valid IP addresses. Option A has an invalid octet (256), and D is a network address.
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