Which protocol is primarily used for sending emails from a client to a mail server?

SMTP (Simple Mail Transfer Protocol)

IMAP (Internet Message Access Protocol)

What is the role of POP3 in email communication?

B) Retrieving emails from a server

What is the purpose of using a client source port number in a TCP communication ?

to keep track of multiple conversations between devices

to notify the remote device that the conversation is over

to assemble the segments that arrived out of order

to inquire for a non received segment

Connection-oriented service provided by TCP protocol ensures

lossless and sequenced communication

help to avoid congestion on the network

When is UDP preferred to TCP ?

When an application can tolerate some loss of data during transmission

When a client sends a segment to a server

When all the data must be fully received before any part of it is considered useful

When segments must arrive in a very specific sequence to be processed successfully

When do directly connected networks appear in the routing table ?

As soon as they are addressed and operational at Layer 3

When they are included in a static route

When they are used as an exit interface

As soon as they are addressed and operational at Layer 2

How does a Link-State routing protocol calculate the shortest path in a network?

C) With the Dijkstra's algorithm

B) Using routing-by-rumor logic

In terms of convergence, how does Link-State routing compare to Distance Vector routing?

B) Distance Vector routing generally converges slower.

D) Link-State routing generally converges faster.

A) Link-State routing generally converges slower.

C) Both converge at the same speed.

Router R1 is using the RIPv2 routing protocol and has discovered multiple unequal paths to reach a destination network. How will Router R1 determine which path is the best path to the destination network ?

Highest administrative distance

R1's G1/0 interface has an IP address of 172.20.20.17 and its G2/0 interface has an IP address of 172.26.20.12. Which of the following network commands will activate EIGRP on both interfaces ?

R1(config-router)# network 128.0.0.0 127.255.255.255

R1(config-router)# network 172.16.0.0 0.0.255.255

R1(config-router)# network 172.16.0.0 0.0.127.255

R1(config-router)# network 172.20.0.0 0.3.255.255

Which is an accurate statement about the behaviour of routers and switches ?

Routers drop packets with an unknown destination IP address, switches flood frames with an unknown destination MAC address

Routers flood packets with an unknown destination IP address, switches flood frames with an unknown destination MAC address

Routers drop packets with an unknown destination IP address, switches drop frames with an unknown destination MAC address

What happens if you try to assign a switch interface to a VLAN that doesn't exist ?

the switch will create the VLAN

The interface will be disabled until you create the VLAN

L2 trailer + Data L4 header + L3 header + L2 header

What is the correct DNS protocol lifecycle ?

1) DNS server --> 2) Root server --> 3) TLD server --> 4) Authoritative Name server --> 5) Response from the Application (Web server)

1) DNS server --> 2) TLD server --> 3) Root server --> 4) Authoritative Name server --> 5) Response from the Application (Web server)

1) DNS server --> 2) Authoritative Name server --> 3) TLD server --> 4) Root server --> 5) Response from the Application (Web server)

1) Root server --> 2) DNS server --> 3) Authoritative Name server --> 4) TLD server --> 5) Response from the Application (Web server)

A device has an IP address of 193.200.7.11/24 Complete the following information :

Network address: 193.200.7.0 Maximum number of hosts in the network: 254 Network broadcast address: 193.200.7.255 First usable address of the network: 193.200.7.1 Last usable address of the network: 193.200.7.254

Network address: 193.200.0.0 Maximum number of hosts in the network: 254 Network broadcast address: 193.200.7.255 First usable address of the network: 193.200.7.1 Last usable address of the network: 193.200.7.254

Network address: 193.200.0.0 Maximum number of hosts in the network: 254 Network broadcast address: 193.200.7.255 First usable address of the network: 193.200.7.1 Last usable address of the network: 193.200.7.255

Network address: 193.200.7.0 Maximum number of hosts in the network: 254 Network broadcast address: 193.200.7.0 First usable address of the network: 193.200.7.1 Last usable address of the network: 193.200.7.254

Identify the incorrect IPv6 notation among the following:

3ffe:1900:4545:3:200:f8ff:fe21:67cf

2001:0db8:85a3:0000:0000:8a2e:0370:7334

When a router using a dynamic routing protocol learns two different routes to the same destination, how does it determine which route is the 'best' ?

C) It uses the metric value of the routes to determine which is best.

A) It relies on the alphabetical order of the routes.

B) It selects the route with the lowest IP address.

D) It chooses the route with the highest bandwidth.

How is the optimal path to every destination network represented in a router's route table ?

D) As a list of routes to destination networks.

A) As a physical connection diagram.

B) As a list of neighboring routers.

C) As a series of subnet masks.

What does IGP stand for in the context of routing protocols?

C) Interconnected Gateway Protocol

Which of the following are an example of an Interior Gateway Protocol (IGP) used inside an Autonomous System (AS) ?

B) OSPF (Open Shortest Path First)

D) EIGRP (Enhanced Interior Gateway Routing Protocol)

A) BGP (Border Gateway Protocol)

C) EGP (Exterior Gateway Protocol)

What is the primary purpose of Exterior Gateway Protocols (EGP) or Inter-AS routing?

C) To facilitate communication between different Autonomous Systems (AS).

A) To route traffic within an AS.

B) To connect devices in an internal networks of an organisation.

D) To determine the shortest path within a network.

Among the listed routing protocols, which one are considered an Exterior Gateway Protocol (EGP) for routing between Autonomous Systems?

D) BGP (Border Gateway Protocol)

A) OSPF (Open Shortest Path First)

B) RIP (Routing Information Protocol)

C) IS-IS (Intermediate System to Intermediate System)

Distance vector routing indicates that routes are advertised using two details:

A) Distance between a network and its destination and is based on metrics like hop count, cost, bandwidth, delay, and more.

B) The vector specifies the exit interface or next-hop router's direction to the destination.

C) The total number of routers in the network.

D) The time it takes for a packet to travel from the source to the destination.

What is the correct Cisco command order to configure eigrp protocol ?

R1 (config)#router eigrp 1 R1 (config-router)#no auto-summary R1 (config-router)#passive-interface g2/0 R1 (config-router) #network 10.0.0.0 R1 (config-router)#network 172.16.1.0 0.0.0.15

R1(config)#router eigrp 1 R1(config-router)#network 10.0.0.0 R1(config-router)#network 172.16.1.0 0.0.0.15 R1(config-router)#no auto summary R1(config-router)#passive-interface g2/0

R1(config)#router eigrp 1 R1(config-router)#network 172.16.1.0 0.0.0.15 R1(config-router)#ip route 0.0.0.0 0.0.0.0 192.168.1.1 R1(config-router)#network 10.0.0.0 R1(config-router)#passive-interface g2/0

R1(config)#router eigrp 1 R1(config-router)#network R1(config-router)#no auto summary R1(config-router)#ip route 192.168.2.0 255.255.255.0 10.0.0.1 R1(config-router)#network 10.0.0.0 R1(config-router)#passive-interface g2/0

R1 and R2 both use RIP to share routes. R1 has a default route to the Internet that you want to advertise to R2. Which command should you use?

a) R1(config-router)# default-information originate

b) R1(config-router)# network 203.0.113.0

c) R2(config)# ip route 0.0.0.0 0.0.0.0 10.0.12.1

d) R2(config-router)# default-information originate

You want to activate OSPF on R1’s G0/1 and G0/2 interfaces with a single command. G0/1 IP: 10.0.12.1/28 G0/2 IP: 10.0.13.1/26

c) R1(config-router)# network 10.0.12.0 0.0.1.255 area 0

a) R1(config-router)# network 10.0.12.0 0.0.0.255 area 0

b) R1(config-router)# network 10.0.12.0 0.0.0.254 area 0

d) R1(config-router)# network 10.0.8.0 0.0.3.255 area 0

Network 2023-2024

Authored by NICOLAS Ternay

Science

1st Grade

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MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Which protocol is used to retrieve email message by client :

DNS

IMAP / POP 3

SMTP

DHCP

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What are Layer 7 protocols ?

HTTPs

DHCP

DNS

SSH

IMAP

FTP

TLS

SSL

TCP

UDP

ICMP

NAT

ARP

RIP

Ethernet
ARP

VLAN

STP

MAC

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What are Layer 2 protocols ?

HTTPs

DHCP

DNS

SSH

IMAP

FTP

TLS

SSL

TCP

UDP

ICMP

NAT

ARP

RIP

Ethernet
ARP

VLAN

STP

MAC

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What are Layer 3 protocols ?

HTTPs

DHCP

DNS

SSH

IMAP

FTP

TLS

SSL

TCP

UDP

ICMP

NAT

ARP

RIP

Ethernet
ARP

VLAN

STP

MAC

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What are Layer 4 protocols ?

HTTPs

DHCP

DNS

SSH

IMAP

FTP

TLS

SSL

TCP

UDP

ICMP

NAT

ARP

RIP

Ethernet
ARP

VLAN

STP

MAC

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What are Layer 6 protocols ?

HTTPs

DHCP

DNS

SSH

IMAP

FTP

TLS

SSL

USB

FIBER OPTIC

ICMP

NAT

ARP

RIP

Ethernet
ARP

VLAN

STP

MAC

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What are Layer 1 protocols ?

HTTPs

DHCP

DNS

SSH

IMAP

FTP

TLS

SSL

USB

FIBER OPTIC

ICMP

NAT

ARP

RIP

Ethernet
ARP

VLAN

STP

MAC

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Network 2023-2024

Which protocol is used to retrieve email message by client :

What are Layer 7 protocols ?

What are Layer 2 protocols ?

What are Layer 3 protocols ?

What are Layer 4 protocols ?

What are Layer 6 protocols ?

What are Layer 1 protocols ?

What are Layer 5 protocols ?

What is the PDUs (Protocol Data Unit) associated with the Network Layer ?

What is the PDUs (Protocol Data Unit) associated with the Data Link Layer ?

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