OSI Model

Question 1

What does OSI stand for?

Answer 1

Open Systems Interconnection

Question 2

How many layers are there in the OSI model?

Answer 2

Seven layers

Question 3

What is the top layer of the OSI model?

Answer 3

Application layer

Question 4

Which OSI layer is responsible for establishing, managing, and terminating connections?

Answer 4

Session layer

Question 5

True or False: The Transport layer is responsible for error detection and correction.

Answer 5

True

Question 6

Fill in the blank: The ______ layer provides end-to-end communication services for applications.

Answer 6

Transport

Question 7

What layer of the OSI model is responsible for routing and forwarding packets?

Answer 7

Network layer

Question 8

Which layer of the OSI model handles the physical transmission of data over a medium?

Answer 8

Physical layer

Question 9

What is the function of the Data Link layer?

Answer 9

To provide node-to-node data transfer and error detection/correction.

Question 10

True or False: The Presentation layer is responsible for data formatting and encryption.

Answer 10

True

Question 11

What is the primary role of the Application layer?

Answer 11

To provide network services to end-user applications.

Question 12

Match the following layer with its function: Network layer.

Answer 12

Routing and forwarding of packets.

Question 13

Which OSI layer is responsible for the segmentation of data?

Answer 13

Transport layer

Question 14

Multiple choice: Which layer is directly above the Data Link layer?

Answer 14

Network layer

Question 15

What does the Session layer manage?

Answer 15

Sessions or connections between applications.

Question 16

Fill in the blank: The ______ layer is where data is converted into a format suitable for the application.

Answer 16

Presentation

Question 17

True or False: The OSI model is a theoretical framework that describes how different networking protocols interact.

Answer 17

True

Question 18

What is the main function of the Physical layer?

Answer 18

To transmit raw bitstreams over a physical medium.

Question 19

Which layer provides reliable or unreliable delivery of data?

Answer 19

Transport layer

Question 20

Identify the layer that deals with MAC addresses.

Answer 20

Data Link layer

Question 21

What is the role of the Presentation layer in data encryption?

Answer 21

To encrypt and decrypt data for secure transmission.

Question 22

Multiple choice: Which OSI layer is responsible for flow control?

Answer 22

Transport layer

Question 23

Which layer is responsible for identifying devices on a network?

Answer 23

Data Link layer

Question 24

Fill in the blank: The ______ layer of the OSI model is responsible for logical addressing.

Answer 24

Network

Question 25

True or False: The Application layer interacts directly with end-user software.

Answer 25

True

Question 26

What does the term 'segmentation' refer to in the context of the Transport layer?

Answer 26

Dividing data into smaller packets for transmission.

Question 27

What is the primary purpose of the OSI model?

Answer 27

To standardize communication functions in a network.

Question 28

What is the purpose of redundancy in network design?

Answer 28

To ensure continuous availability and fault tolerance.

Question 29

True or False: Redundant networks can only be implemented at the Data Link layer.

Answer 29

False

Question 30

Fill in the blank: __________ is a protocol that provides redundancy at the Network layer.

Answer 30

OSPF

Question 31

What does the acronym STP stand for in networking?

Answer 31

Spanning Tree Protocol

Question 32

Which layer of the OSI model does BGP operate on?

Answer 32

Layer 3 (Network layer)

Question 33

Multiple Choice: Which of the following protocols is used for link aggregation? A) RSTP B) LACP C) BGP D) OSPF

Answer 33

B) LACP

Question 34

What technology uses multiple paths for data transmission to enhance redundancy?

Answer 34

MPLS (Multiprotocol Label Switching)

Question 35

True or False: Redundant links can lead to network loops if not properly managed.

Answer 35

True

Question 36

What is the primary function of HSRP?

Answer 36

To provide network redundancy for IP hosts.

Question 37

Fill in the blank: __________ is a method of achieving redundancy by having multiple devices share a single virtual IP address.

Answer 37

HSRP (Hot Standby Router Protocol)

Question 38

Which layer of the OSI model is responsible for reliable delivery of messages?

Answer 38

Layer 4 (Transport layer)

Question 39

What does VRRP stand for?

Answer 39

Virtual Router Redundancy Protocol

Question 40

Multiple Choice: At which OSI layer does the Spanning Tree Protocol operate? A) Layer 1 B) Layer 2 C) Layer 3 D) Layer 4

Answer 40

B) Layer 2

Question 41

What is the function of RSTP?

Answer 41

To improve the convergence time of the Spanning Tree Protocol.

Question 42

True or False: Redundancy can only be achieved with physical devices.

Answer 42

False

Question 43

What is the role of ECMP in network redundancy?

Answer 43

To allow multiple equal-cost paths to a destination.

Question 44

Fill in the blank: __________ allows for the automatic rerouting of traffic in case of a link failure.

Answer 44

Fast Reroute

Question 45

What technology uses virtual local area networks to segment traffic?

Answer 45

VLANs (Virtual Local Area Networks)

Question 46

Multiple Choice: Which of the following is NOT a redundancy protocol? A) RSTP B) HSRP C) DHCP D) VRRP

Answer 46

C) DHCP

Question 47

What is the main benefit of using load balancing in a redundant network?

Answer 47

To distribute traffic evenly across multiple resources.

Question 48

True or False: Layer 1 redundancy is only concerned with physical connections.

Answer 48

True

Question 49

What is the purpose of link aggregation?

Answer 49

To combine multiple network connections into a single logical link for redundancy and increased bandwidth.

Question 50

Fill in the blank: __________ is a feature that allows multiple routers to work together to present a single virtual router.

Answer 50

VRRP (Virtual Router Redundancy Protocol)

Question 51

Which layer of the OSI model does TCP operate on?

Answer 51

Layer 4 (Transport layer)

Question 52

What is the primary function of LACP?

Answer 52

To dynamically manage the aggregation of multiple Ethernet links.

Question 53

Multiple Choice: Which of the following protocols is primarily used for routing in large networks? A) RSTP B) OSPF C) ARP D) ICMP

Answer 53

B) OSPF