Networking Concepts and TCP/IP Model

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Questions and Answers

What information is stored in the neighbor table of an EIGRP router?

Routing information learned from other protocols

Link-state data of all available paths

Information about EIGRP neighbors (correct)

The best routes to destinations

Which metric does EIGRP use by default when calculating the best route?

Load and reliability

Only delay

Only bandwidth

Bandwidth and delay (correct)

What is the administrative distance of EIGRP?

110

120

90 (correct)

What multicast address does EIGRP use to send hello packets?

224.0.0.10 Signup and view all the answers

What must be the same on all routers within an EIGRP autonomous system?

Autonomous system number Signup and view all the answers

Which protocol uses the multicast address 224.0.0.5 for normal communication?

OSPF Signup and view all the answers

What type of routing protocol is EIGRP classified as?

Hybrid protocol Signup and view all the answers

What algorithm does OSPF use to calculate the best path to each subnet?

Dijkstra's algorithm Signup and view all the answers

Which subnet mask is allocated to the Sales department?

255.255.255.128 Signup and view all the answers

What is the valid range of host IP addresses for the Sales department's subnet?

192.168.1.0 to 192.168.1.126 Signup and view all the answers

To which department is the subnet 192.168.1.192 /27 allocated?

Accounts Signup and view all the answers

How many valid host IP addresses does the subnet 255.255.255.224 provide?

14 Signup and view all the answers

What is the reason for assigning the highest range of IPs to the Sales department?

Sales has the highest requirement. Signup and view all the answers

Which subnet mask allows for a maximum of 2 valid hosts?

255.255.255.252 Signup and view all the answers

What is the total number of host IP addresses required by the Purchase department?

50 Signup and view all the answers

Which network number corresponds to the Purchase department?

192.168.1.64 Signup and view all the answers

What is the main purpose of the link establishment phase in PPP?

To negotiate configuration options and open the connection Signup and view all the answers

How does PAP authenticate a remote node?

Through a two-way handshake without interaction Signup and view all the answers

Which statement about PAP is correct?

It sends passwords across the link in clear text Signup and view all the answers

What is the role of CHAP in authentication within PPP?

It uses a variable challenge value to protect against replay attacks Signup and view all the answers

Which authentication technique is recognized as less secure due to its simplicity?

PAP Signup and view all the answers

What happens at the receiving node during PAP authentication?

User credentials are checked by an authentication server Signup and view all the answers

Which protocol provides a stronger security measure than PAP during authentication?

CHAP Signup and view all the answers

What is a common risk associated with using PAP for authentication?

Exposure to replay attacks due to password transmission Signup and view all the answers

What is the primary purpose of an IPv6 address?

To uniquely identify a host on a network Signup and view all the answers

What does a subnet mask of 255.255.255.248 indicate about valid host IP addresses?

It allows for 6 valid host IP addresses Signup and view all the answers

In the context of IPv6, what is a unicast address?

An address that identifies a single network interface Signup and view all the answers

Which of the following accurately describes an anycast address?

It identifies multiple hosts, routing to only one based on proximity Signup and view all the answers

What is the significance of Variable Length Subnet Masking (VLSM)?

It reduces the number of unused IP addresses within subnets Signup and view all the answers

How many bits does an IPv6 address consist of?

128 bits Signup and view all the answers

What distinguishes multicast addresses from unicast addresses?

They can identify multiple hosts and are used in distribution protocols Signup and view all the answers

What is an essential feature of anycast addresses?

They route packets to the nearest node based on routing definitions Signup and view all the answers

What is the valid host range for the first subnet assuming subnet zero?

10.0.0.1 through 10.15.255.254 Signup and view all the answers

How many subnets can be created with a Class A mask of 255.240.0.0?

14 subnets Signup and view all the answers

What does VLSM stand for and how is it useful?

Variable Length Subnet Mask, allows for efficient use of IP addresses Signup and view all the answers

For the purchase department with 50 computers, which subnet size is best suited?

/26 subnet mask Signup and view all the answers

What is the broadcast address for the last subnet, assuming subnet zero?

10.255.255.255 Signup and view all the answers

Which of the following describes why VLSM may be necessary?

It allows subnetting to have variable sizes based on the number of hosts. Signup and view all the answers

What is the first address of the valid host range in the last subnet, assuming subnet zero?

10.240.0.1 Signup and view all the answers

What type of addressing does VLSM utilize?

Classless addressing Signup and view all the answers

What is the primary purpose of the OSPF Neighbor Table?

To keep track of all discovered OSPF neighbors Signup and view all the answers

Which statement about OSPF Areas is true?

Each area in OSPF shares a unique Area ID Signup and view all the answers

Why is resource optimization important in OSPF networks?

To decrease network flooding caused by excessive link state database exchanges Signup and view all the answers

What does the Routing Table in OSPF contain?

The current best paths for forwarding data traffic Signup and view all the answers

What determines the Router ID in an OSPF network?

The highest active IP address present on the router Signup and view all the answers

What role does the Router Priority play in OSPF?

It is an 8-bit value deciding the BDR and DR election process Signup and view all the answers

What is the backbone area in an OSPF network identified as?

Area 0 Signup and view all the answers

Which of the following best describes the function of the Topology Table in OSPF?

It maps the complete network with all routers and paths available Signup and view all the answers

Study Notes

Institute Information

Institute name: Institute for Advanced Computing And Software Development (IACSD)
Location: Akurdi, Pune
Address: Dr. D.Y. Patil Educational Complex, Sector 29, Behind Akurdi Railway Station, Nigdi Pradhikaran, Akurdi, Pune - 411044

Index of Topics

Internetworking (page 3)
Networking devices (page 4)
Different types of Ethernet cables (page 7)
OSI Model (page 8)
TCP/IP (page 14)
Three-Way Handshake (page 20)
IPv4 address (page 21)
Subnetting (page 22)
VLSM (page 24)
IPv6 (page 25)
Cisco IOS (page 27)
Routing Protocols (page 29)
RIP (page 30)
IGRP (page 31)
EIGRP (page 32)
OSPF (page 33)
Switching (page 34)
Spanning Tree Protocol (page 36)
VLAN (page 37)
VTP (page 39)
ACL (page 41)
Point-to-Point Protocol (PPP) (page 44)
Network Address Translation (NAT) (page 46)
TACACS+ and RADIUS (page 48)
Software-defined networking (SDN) (page 50)
TCP/IP Model (page 50)

TCP/IP Model

4 layers: Application, Transport, Internet, Network Access
Protocols: TELNET, TCP, FTP, SMTP, UDP, DNS, etc.

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Description

This quiz covers essential networking concepts including the OSI model, TCP/IP model, Ethernet technologies, and various protocols such as RIP, OSPF, and EIGRP. Test your understanding of subnetting, VLANs, and the role of different networking devices. Ideal for students and professionals seeking to strengthen their networking knowledge.