Exam simulator: Networking Fundamentals

Question 1 of 50

1. Question

Your organization relies heavily on the Windows SMB protocol for file and printer sharing. Microsoft recently announced that attackers can take advantage of a vulnerability in the SMB protocol and all services should be suspended until further notice. Which of the following ports SHOULD you add to your access control lists (ACLs) to temporarily block incoming SMB packets?

143
445
993
636

Question 2 of 50

2. Question

What is the host ID associated with the network located at 2.8.0.0/24?

2.8.1.10
2.5.0.0
2.8.2.2
2.8.0.10

Question 3 of 50

3. Question

What is the network ID associated with the host located at 192.168.0.4/26?

192.168.0.0
192.168.0.64
192.168.0.128
192.168.0.192

Question 4 of 50

4. Question

An organization has 5 Ethernet switches connected using a bus topology. Each switch has 4 different VLANs and all of them communicate through inter-VLAN routing. Which of the following network topologies BEST describes the above scenario?

Mesh
Star
Hybrid
Ring

Question 5 of 50

5. Question

Which layer of the Open Systems Interconnection (OSI) model is responsible for transmitting signals over the network medium and defines electrical and physical specifications for devices?

Layer 3 – Network
Layer 1 – Physical
Layer 6 – Presentation
Layer 5 – Session

Question 6 of 50

6. Question

An organization requires the use of a central computer to collect and distribute emails to networked devices inside the organization. The central computer will deliver emails through SMTP using port 465. Which of the following network types is MOST suitable in this case?

Peer-to-peer
Peer-to-Client
Server-to-peer
Client-server

Question 7 of 50

7. Question

Which of the following protocols is used by servers, switches, routers, and computers to synchronize their time over a network?

POP3
NTP
HTTP
SNMP

Question 8 of 50

8. Question

Nick is a network engineer who is planning to design an organization’s network. The servers (Web, Email, File) should receive static public IP addresses 5.5.5.1, 5.5.5.2, and 5.5.5.3 respectively. The hosts inside the organization should receive IP addresses automatically using DHCP from the range 172.16.0.0 to 172.16.255.255 without being able to access the internet or any service outside of that network. Which of the following IP addressing schema SHOULD be configured for the hosts inside the organization?

Public
EUI-64
Private
SLAAC

Question 9 of 50

9. Question

A network technician is connecting two separate networks by configuring the interface of the routers. The new network has an IP of 30.40.50.4/30. Which of the following IPs does the technician need to assign to the routers?

30.40.50.5 and 30.40.50.6
30.40.40.5 and 30.40.40.6
30.40.50.1 and 30.40.50.2
30.40.40.1 and 30.40.40.2

Question 10 of 50

10. Question

Sort the layers (from layer 1 to layer 7) to form the OSI Model.

Physical
Application
Transport
Session
Presentation
Data link
Network

View Answers:

Question 11 of 50

11. Question

You are developing an application using the ASP.NET framework for the back-end and need to connect the app to your Structured Query Language (SQL) database server. Which of the following TCP ports SHOULD you open to allow the application to store, delete, update and retrieve data from the database?

993
80
5060
1433

Question 12 of 50

12. Question

Which of the following cloud deployment models is MOST suitable for government entities that share similar requirements related to security levels, audit, and privacy?

Public
Community
Private
Hybrid

Question 13 of 50

13. Question

Which type of connector should be used to plug a telephone into the wall and the handset into the telephone?

RJ-45
CAT-5
RJ-11
F-type

Question 14 of 50

14. Question

Drag and drop the connector types into their respective fields.

Sort elements

RJ-45
RJ-11
F-type
Local Connector

Question 15 of 50

15. Question

You are planning to design a network where each node should be directly connected to every other node. Which of the following network topologies is MOST suitable for this design?

Mesh
Star
Bus
Ring

Question 16 of 50

16. Question

What type of cloud services can allow you to increase or decrease IT resources as needed to meet changing demand?

Elasticity
Scalability
Multitenancy
Community

Question 17 of 50

17. Question

Drag and drop the ports into their respective fields.

Sort elements

22
25
53
110

Secure Shell (SSH)
Simple Mail Transfer Protocol (SMTP)
Domain Name System (DNS)
Post Office Protocol v3 (POP3)

Question 18 of 50

18. Question

Which of the following ports is used by HTTPS by default?

22
80
443
445

Question 19 of 50

19. Question

Which of the following concepts is the process of adding additional information when data is traveling in OSI or TCP/IP model?

Decapsulation
Payload
Encapsulation
Maximum transmission unit

Question 20 of 50

20. Question

Which of the following layers in a Software-Defined Network (SDN) architecture comprises physical switches in the network?

Management plane
Application layer
Infrastructure layer
Control layer

Question 21 of 50

21. Question

Which of the following layers in a Software-Defined Network (SDN) architecture manages policies and traffic flow?

Management plane
Application layer
Infrastructure layer
Control layer

Question 22 of 50

22. Question

Which of the following is the difference between connectionless and connection-oriented services? (Select TWO)

In a connection-oriented service, the handshake method is used to establish the connection between sender and receiver
In a connectionless service, the handshake method is used to establish the connection between sender and receiver
Connection-less service does not give the guarantee of reliability
Connection-oriented service does not give the guarantee of reliability

Question 23 of 50

23. Question

Drag and drop the wired topology terms into their respective fields.

Sort elements

Bus Topology
Ring Topology
Star Topology
Mesh Topology

There is a main cable and all the devices are connected to this main cable through drop lines.
Εach device is connected with the two devices on either side of it.
Each device in the network is connected to a central device called hub.
Each device is connected to every other device on the network through a dedicated point-to-point link.

Question 24 of 50

24. Question

Nick has been hired to configure the firewall of the ACME Corporation. He needs to allow customers to visit their web pages over a secure connection. Which of the following ports must be allowed through the firewall?

80
53
443
993

Question 25 of 50

25. Question

Which of the following IP addresses are not valid Class A network IDs? (Select TWO)

140.0.0.0
195.0.0.0
1.0.0.0
5.0.0.0
9.0.0.0

Question 26 of 50

26. Question

Drag and drop the DNS record types into their respective fields.

Sort elements

A
CNAME
NS
MX

Used to map hostnames to an IPv4 address of the host
Used to point a domain or subdomain to another hostname
Indicates which DNS server is authoritative for that domain
Used to help route email according to the domain owners preference

Question 27 of 50

27. Question

Drag and drop the various 802.11 wireless standards into their respective frequencies.

Sort elements

802.11g
802.11a
802.11n

2.4 GHz
5 GHz
2.4 GHz / 5 GHz

Question 28 of 50

28. Question

Which of the following cloud services requires the least amount of user management, where a service provider manages everything, and the end-user just uses the software?

Infrastructure as a service (IaaS)
Platform as a service (PaaS)
Software as a service (SaaS)
Infrastructure as a service (IaaS) and Platform as a service (PaaS)

Question 29 of 50

29. Question

Two purposes of using Virtual Local Area Networks (VLANs) are to: (Select TWO)

NOT isolate network segments
reduce broadcast traffic throughout the network
NOT pass the traffic to another VLAN
build broadcast domains that remove the need for costly routers
configure the switches remotely

Question 30 of 50

30. Question

A network technician is tasked with configuring the firewall of your organization. You need to block employees to use Telnet to connect remotely to your servers. What port must be blocked through the firewall?

23
25
53
80

Question 31 of 50

31. Question

Nick has just connected his new keyboard to his PC to play his favorite online games wirelessly. Which of the following types of networks is he using?

Campus area network (CAN)
Local area network (LAN)
Metropolitan area network (MAN)
Personal area network (PAN)

Question 32 of 50

32. Question

Which of the following ports does DHCP use? (Select TWO)

67
80
443
68
53

Question 33 of 50

33. Question

What is the broadcast address associated with the host located at 40.20.3.2/30?

40.20.3.3
40.20.3.255
40.20.255.255
40.20.255.3

Question 34 of 50

34. Question

What is the last available address that can be assigned to a host associated with the network located at 72.29.189.2/27?

72.29.189.255
72.29.255.255
72.29.189.30
72.29.30.255

Question 35 of 50

35. Question

Drag and drop the fiber connector types into their respective fields.

Sort elements

MTRJ
SC
ST
LC

Question 36 of 50

36. Question

A network engineer designs a Local Area Network (LAN) for a new office. He needs to determine the devices and the cabling to create a star topology. Which layer of the (OSI) model defines electrical specifications for cabling and devices?

Layer 3 – Network
Layer 5 – Session
Layer 6 – Presentation
Layer 1 – Physical

Question 37 of 50

37. Question

Which layer of the Open Systems Interconnection (OSI) model is responsible for providing connectionless and connection-oriented services to applications?

Layer 4 – Transport
Layer 5 – Session
Layer 6 – Presentation
Layer 7 – Application

Question 38 of 50

38. Question

A software architect has been tasked to develop a web-based application that provides guaranteed delivery of data between hosts. Which layer of the Open Systems Interconnection (OSI) model is responsible for providing guaranteed delivery of data?

Application layer
Transport layer
Network layer
Data link layer

Question 39 of 50

39. Question

Which of the following service models allows users to connect to and use cloud-based apps over the Internet?

Infrastructure as a service (IaaS)
Platform as a service (PaaS)
Software as a service (SaaS)
Desktop as a service (DaaS)

Question 40 of 50

40. Question

A network technician has been notified that a connection where the public switched telephone network ends and the private network of the customer begins has intermittent issues. Which of the following is the place where the connection MOST likely has problems with?

Metro-optical
Multiprotocol label switching
Demarcation point
Top-of-rack switching

Question 41 of 50

41. Question

What information can you extract having the IP address 172.16.99.45? (Select TWO.)

The network ID is 172.0.0.0
The default mask for the network is 255.255.255.0
The network is a Class B network
The number of host bits in the unsubnetted network is 16
The broadcast address of the network is 172.255.255.255

Question 42 of 50

42. Question

Which of the following IPs are private networks? (Select TWO).

172.31.100.0
192.166.255.0
192.168.1.0
11.11.11.0
172.15.255.0

Question 43 of 50

43. Question

A network engineer is tasked with designing the Classless (variable-length subnet mask) IP scheme for a new campus network. Which of the following number of subnet bits is required to create 200 subnets?

6 subnet bits
7 subnet bits
8 subnet bits
9 subnet bits

Question 44 of 50

44. Question

How many bits are allocated to the host bits in an IPv4 address on the network with IP 42.172.0.0/20?

10
12
20
22

Question 45 of 50

45. Question

What is the CIDR notation for a new IT department’s subnet that requires allocating 9 addresses?

/30
/29
/28
/27

Question 46 of 50

46. Question

A network technician is connecting to a server to modify the DHCP configuration. DHCP’s new configuration is to lease the last 50 usable IP addresses in subnet 88.9.4.0/23. Which of the following IP addresses could be leased as a result of your new configuration?

88.9.5.230/23
88.9.5.130/23
88.9.7.230/23
88.9.7.255/23

Question 47 of 50

47. Question

A network technician is tasked with deploying a VoIP solution that provides a direct connection between private or local telephone systems and the public telephone network without the need for a legacy telephone line. Which of the following protocols SHOULD be used to deploy the VoIP solution?

RDP
NTP
SMB
SIP

Question 48 of 50

48. Question

A network technician has been notified that the routing protocol which is used to distribute IP routing information throughout a single Autonomous System (AS) in an IP network needs troubleshooting. Which of the following routing protocols should the technician be familiar with?

MPLS
OSPF
RIP
EIGRP

Question 49 of 50

49. Question

A network technician is tasked with installing an access point to connect all devices wirelessly. What type of network would the technician end up creating?

WAN
WLAN
PAN
SAN

Question 50 of 50

50. Question

A network security expert is called to troubleshoot the firewall configuration issues within an organization. Hosts aren’t able to access any website using their domain, such as examsdigest.com or google.com. Which of the following is causing the issue?

An ACL rule that blocks incoming and outgoing packets from ports 21 and 22
An ACL rule that blocks incoming and outgoing packets from ports 53 and 22
An ACL rule that blocks incoming and outgoing packets from ports 53 and 443
An ACL rule that blocks incoming and outgoing packets from ports 67 and 68

Anastasia-Instructor August 28, 2022

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1. Question

2. Question

What is the host ID associated with the network located at 2.8.0.0/24?

3. Question

What is the network ID associated with the host located at 192.168.0.4/26?

4. Question

An organization has 5 Ethernet switches connected using a bus topology. Each switch has 4 different VLANs and all of them communicate through inter-VLAN routing. Which of the following network topologies BEST describes the above scenario?

5. Question

Which layer of the Open Systems Interconnection (OSI) model is responsible for transmitting signals over the network medium and defines electrical and physical specifications for devices?

6. Question

An organization requires the use of a central computer to collect and distribute emails to networked devices inside the organization. The central computer will deliver emails through SMTP using port 465. Which of the following network types is MOST suitable in this case?

7. Question

Which of the following protocols is used by servers, switches, routers, and computers to synchronize their time over a network?

8. Question

9. Question

A network technician is connecting two separate networks by configuring the interface of the routers. The new network has an IP of 30.40.50.4/30. Which of the following IPs does the technician need to assign to the routers?

10. Question

Sort the layers (from layer 1 to layer 7) to form the OSI Model.

11. Question

You are developing an application using the ASP.NET framework for the back-end and need to connect the app to your Structured Query Language (SQL) database server. Which of the following TCP ports SHOULD you open to allow the application to store, delete, update and retrieve data from the database?

12. Question

Which of the following cloud deployment models is MOST suitable for government entities that share similar requirements related to security levels, audit, and privacy?

13. Question

Which type of connector should be used to plug a telephone into the wall and the handset into the telephone?

14. Question

Drag and drop the connector types into their respective fields.

Sort elements

15. Question

You are planning to design a network where each node should be directly connected to every other node. Which of the following network topologies is MOST suitable for this design?

16. Question

What type of cloud services can allow you to increase or decrease IT resources as needed to meet changing demand?

17. Question

Drag and drop the ports into their respective fields.

Sort elements

18. Question

Which of the following ports is used by HTTPS by default?

19. Question

Which of the following concepts is the process of adding additional information when data is traveling in OSI or TCP/IP model?

20. Question

Which of the following layers in a Software-Defined Network (SDN) architecture comprises physical switches in the network?

21. Question

Which of the following layers in a Software-Defined Network (SDN) architecture manages policies and traffic flow?

22. Question

Which of the following is the difference between connectionless and connection-oriented services? (Select TWO)

23. Question

Drag and drop the wired topology terms into their respective fields.

Sort elements

24. Question

Nick has been hired to configure the firewall of the ACME Corporation. He needs to allow customers to visit their web pages over a secure connection. Which of the following ports must be allowed through the firewall?

25. Question

Which of the following IP addresses are not valid Class A network IDs? (Select TWO)

26. Question

Drag and drop the DNS record types into their respective fields.

Sort elements

27. Question

Drag and drop the various 802.11 wireless standards into their respective frequencies.

Sort elements

28. Question

Which of the following cloud services requires the least amount of user management, where a service provider manages everything, and the end-user just uses the software?

29. Question

Two purposes of using Virtual Local Area Networks (VLANs) are to: (Select TWO)

30. Question

A network technician is tasked with configuring the firewall of your organization. You need to block employees to use Telnet to connect remotely to your servers. What port must be blocked through the firewall?

31. Question

Nick has just connected his new keyboard to his PC to play his favorite online games wirelessly. Which of the following types of networks is he using?

32. Question

Which of the following ports does DHCP use? (Select TWO)

33. Question

What is the broadcast address associated with the host located at 40.20.3.2/30?

34. Question

What is the last available address that can be assigned to a host associated with the network located at 72.29.189.2/27?

35. Question

Drag and drop the fiber connector types into their respective fields.