Basic Fundamental 2

Learn CCNA Routing and Switching

1. Which protocol does Ping use?

TCP
ARP
ICMP
BootP


2. Where is a hub specified in the OSI model?

Session layer
Physical layer
Data Link layer
Application layer


3. What is the main reason the OSI model was created?

To create a layered model larger than the DoD model
So application developers can change only one layer’s protocols at a time
So different networks could communicate
So Cisco could use the model


4. What type of RJ45 UTP cable do you use to connect a PC’s COM port to a router or switch console port?

Straight-through
Crossover cable
Crossover with a CSU/DSU
Rolled


5. You have the following binary number: 10110111 What are the decimal and hexadecima

69/0x2102
183/B7
173/A6
83/0xC5


6. Which of the following is layer in the TCP/IP model?

Session
Data Link
Internet
Physical


7. The DoD model (also called the TCP/IP stack) has four layers. Which layer of the DoD model is equivalent to the Network layer of the OSI model?

Application
Host-to-Host
Internet
Network Access


8. What layer in the TCP/IP stack is equivalent to the Transport layer of the OSI model?

Application
Host-to-Host
Internet
Network Access


9. Router work at which layer?

Layer 1
Layer 2
Layer 3
Layer 5


10. Switch work at which layer?

Layer 2
Layer 4
Layer 6
Layer 1

[1][2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19] [20] [21] [22] [23] [24] [25] [26] [27] [28] [29] [30] [31] [32] [33] [34] [35] [36] [37] [38] [39] [40] [41] [42] [43] [44]