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Home » Technical » Aptitude Test - 18
Hassan
1.Transport layer protocols deals with:
A. application to application communication
B. process to process communication
C. node to node communication
D. application to application communication
2.Which one of the following is a transport layer protocol?
A. stream control transmission protocol
B. internet control message protocol
C. neighbor discovery protocol
D. stream control transmission protocol
3.Which of following provides reliable communication?
A. TCP
B. IP
C. UDP
D. TCP
4._______ provides a connection-oriented reliable service for sending messages.?
A. TCP
B. IP
C. UDP
D. TCP
5.Which of the following protocol is/are defined in Transport layer?
A. FTP
B. TCP
C. UDP
D. FTP
6.What does the port number in a TCP connection specify?
A. It specifies the communication process on the two end systems
B. It specifies the quality of the data & connection
C. It specify the size of data
D. It specifies the communication process on the two end systems
7.What is the typical range of Ephemeral ports?
A. 1 to 80
B. 1 to 1024
C. 80 to 8080
D. 1 to 80
8.What is the purpose of the PSH flag in the TCP header?
A. Typically used to indicate end of message
B. Typically used to indicate beginning of message
C. Typically used to push the message
D. Typically used to indicate end of message
9.This term is sometimes used to describe the TCP/IP software.?
A. TCP/IP stack
B. TCP/IP model
C. Web stack
D. TCP/IP stack
10.What protocols are used to configure trunking on a switch?
A. VLAN Trunking Protocol
B. ISL
C. 802.1Q
D. VLAN Trunking Protocol
11.If you wanted to delete the configuration stored in NVRAM, what would you type?
A. erase startup
B. erase nvram
C. delete nvram
D. erase startup
12.Which command is used to upgrade an IOS on a Cisco router?
A. copy tftp run
B. copy tftp start
C. config net
D. copy tftp run
13.Which protocol does Ping use?
A. TCP
B. ARP
C. ICMP
D. TCP
14.What command will display the line, protocol, DLCI, and LMI information of an interface?
A. sh pvc
B. show interface
C. show frame-relay pvc
D. sh pvc
15.What is the main reason the OSI model was created?
A. To create a layered model larger than the DoD model.
B. So application developers can change only one layer's protocols at a time.
C. So different networks could communicate.
D. To create a layered model larger than the DoD model.
16.What does a VLAN do?
A. Breaks up broadcast domains in a layer 2 switch internetwork.
B. Provides multiple collision domains on one switch port.
C. Acts as the fastest port to all servers.
D. Breaks up broadcast domains in a layer 2 switch internetwork.
17.In a network with dozens of switches, how many root bridges would you have?
A. 1
B. 2
C. 5
D. 1
18.What is a stub network?
A. A network that has only one entry and exit point.
B. A network with only one entry and no exit point.
C. A network with more than one exit and entry point.
D. A network that has only one entry and exit point.
19.If your router is facilitating a CSU/DSU, which of the following commands do you need to use to provide the router with a 64000bps serial link?
A. RouterA(config-if)#clock rate 64
B. RouterA(config-if)#clock rate 64000
C. RouterA(config-if)#bandwidth 64000
D. RouterA(config-if)#clock rate 64
20.How often are BPDUs sent from a layer 2 device?
A. Never
B. Every 2 seconds
C. Every 10 minutes
D. Never
21.The acronym OSI stands for ____ in computer networking.
A. Organization for Standards Institute
B. Open Systems Interconnection
C. Organizing Systems Interconnection
D. Organization for Standards Institute
22.Who developed standards for the OSI reference model?
A. ANSI - American National Standards Institute
B. ISO - International Standards Organization
C. IEEE - Institute of Electrical and Electronics Engineers
D. ANSI - American National Standards Institute
23.Each layer of the OSI model receives services or data from a ___ layer.
A. below layer
B. above layer
C. -
D. below layer
24.In the OSI model, each layer gives services or data to the __ layer.
A. below
B. above
C. -
D. below
25.A layer of the OSI model on one system communicates with the ___ layer of its peer system.
A. above
B. below
C. same
D. above
26.Choose the correct layer numbers and names of the OSI model below.
A. Layer 7 - Application Layer, Layer 6 - Presentation Layer
B. Layer 5 - Session Layer, Layer 4 - Transport Layer
C. Layer 3 - Network Layer, Layer 2 - Data Link Layer, Layer 1 - Physical Layer
D. Layer 7 - Application Layer, Layer 6 - Presentation Layer
27. In an OSI model, the lowest layer is the ___ layer.
A. Application Layer
B. Physical Layer
C. Presentation Layer
D. Application Layer
28.In the OSI model, which is the highest layer?
A. Application Layer
B. Physical Layer
C. Presentation Layer
D. Application Layer
29.In the OSI model, the bottom 3 layers assist in ___.?
A. converting data
B. transporting data
C. -
D. converting data
30.What are the advantages of 7 layers of OSI model?
A. Troubleshooting the network is easy.
B. Developing new functions or services for a particular layer is easy.
C. Developing hardware devices targetting certain layers is easy because the services to be offered are fixed.
D. Troubleshooting the network is easy.
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