Sep-2026 Free Cisco 100-150 Exam Question Practice Exams [Q14-Q36]

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Sep-2026 Free Cisco 100-150 Exam Question Practice Exams

Ace 100-150 Certification with 90 Actual Questions

Cisco 100-150 Exam Syllabus Topics:

Topic	Details
Topic 1	Infrastructure: Covers hands-on identification of Cisco hardware, physical cabling in network setups, port types, and the basic concepts behind routing and switching.
Topic 2	Addressing and Subnet Formats: Covers the distinction between public and private IP addressing, IPv4 subnetting, and IPv6 address and prefix formats.
Topic 3	Security: Covers firewall traffic filtering, core security principles including CIA and AAA, and basic wireless security configuration on home routers.
Topic 4	Diagnosing Problems: Covers structured troubleshooting approaches, packet capture with Wireshark, common diagnostic commands, remote access methods, and basic Cisco show commands.
Topic 5	Standards and Concepts: Covers foundational networking models, terminology, network types, cloud service models, and common application-layer protocols.

NEW QUESTION 14
Move each network type from the list on the left to the correct example on the right.

NEW QUESTION 15
Hotspot Question
For each statement about the output, select True or False.
Note: You will receive partial credit for each correct selection.

NEW QUESTION 16
What is the most compressed valid format of the IPv6 address 2001 :0db8:0000:0016:0000:001b: 2000:0056?

2001:db8: : 16: : 1b:2:56

2001:db8: : 16: : 1b: 2000: 56

2001:db8: 16: :1b:2:56

2001:db8: 0:16: :1b: 2000:56

NEW QUESTION 17
Which wireless security option uses a pre-shared key to authenticate clients?

WPA2-Personal

802.1x

802.1q

WPA2-Enterprise

NEW QUESTION 18
Which component of the AAA service security model provides identity verification?

Auditing

Authorization

Authentication

Accounting

NEW QUESTION 19
HOTSPOT
You purchase a new Cisco switch, turn it on, and connect to its console port. You then run the following command:

For each statement about the output, select True or False. Note: You will receive partial credit for each correct selection.

NEW QUESTION 20
Which statement best describes confidentiality with regards to network security?

Ensures data is kept secret using safeguards to prevent unauthorized access.

Ensures data is not changed during transit between systems.

Ensures data is trusted and has not been tampered with or changed.

Ensures data is available for access by providing redundant systems.

NEW QUESTION 21
Hotspot Question
You purchase a new Cisco switch, turn it on, and connect to its console port. You then run the following command:

For each statement about the output, select True or False.
Note: You will receive partial credit for each correct selection.

NEW QUESTION 22
Which standard contains the specifications for Wi-Fi networks?

GSM

LTE

IEEE 802.11

IEEE 802.3

EIA/TIA 568A

NEW QUESTION 23
What is the primary purpose of a subnet mask in an IPv4 network configuration within a typical enterprise environment?

Identify host portion only

Separate network and host portions

Encrypt IP traffic

Assign MAC addresses

NEW QUESTION 24
A host is given the IP address 172.16.100.25 and the subnet mask 255.255.252.0.
What is the CIDR notation for this address?

172.16.100.25 /21

172.16.100.25 /22

172.16.100.25 /23

172.16.100.25 /20

NEW QUESTION 25
Which device is an Internet of Things (IoT) device?

An internet-accessible thermostat

A cloud-based file storage array

A virtual private network concentrator

A video streaming server

NEW QUESTION 26
A host is given the IP address 172.16.100.25 and the subnet mask 255.255.252.0.
What is the CIDR notation for this address?

172.16.100.25 /23

172.16.100.25 /20

172.16.100.25 /21

172.16.100.25 /22

NEW QUESTION 27
Which component of the AAA service security model provides identity verification?

Accounting

Authentication

Auditing

Authorization

NEW QUESTION 28
A help desk technician receives a report that a user is experiencing network connectivity issues.
The help desk supervisor advises the technician to use a bottom-up troubleshooting method to determine the cause of the problem.
Which two potential issues would the technician check first using the bottom-up method?
(Choose two.)

Incorrect network password

Wrong IP address configuration

Network interface card failure

Incorrect or damaged cables

Wrong DNS server address

NEW QUESTION 29
You have two switches that are connected as shown in the image.

The laptop is connected to port A on the first switch. The second switch is connected to port D on the first switch.
The laptop sends a broadcast frame to the first switch.
You need to identify the ports through which the broadcast frame is forwarded.
Which ports should you identify?

D only

B and C only

B, C, and D only

A, B, and D only

NEW QUESTION 30
A local company requires two networks in two new buildings. The addresses used in these networks must be in the private network range.
Which two address ranges should the company use? Note: You will receive partial credit for each correct selection. (Choose 2.)

172.16.0.0 to 172.31.255.255

192.16.0.0 to 192.16.255.255

11.0.0.0 to 11.255.255.255

192.168.0.0 to 192.168.255.255

NEW QUESTION 31
Which network technology is not impacted by electromagnetic and radio wave interference?

Copper

Fiber

Wireless

Twisted pair

NEW QUESTION 32
You want to store files that will be accessible by every user on your network.
Which endpoint device do you need?

Access point

Server

Hub

Switch

NEW QUESTION 33
Drag and Drop Question
Move each protocol from the list on the left to its correct example on the right.

NEW QUESTION 34
A help desk technician receives the four trouble tickets listed below.
Which ticket should receive the highest priority and be addressed first?

Ticket 1: A user requests relocation of a printer to a different network jack in the same office. The jack must be patched and made active.

Ticket 2: An online webinar is taking place in the conference room. The video conferencing equipment lost internet access.

Ticket 3: A user reports that response time for a cloud-based application is slower than usual.

Ticket 4: Two users report that wireless access in the cafeteria has been down for the last hour.

NEW QUESTION 35
Move the MFA factors from the list on the left to their correct examples on the right. You may use each factor once, more than once, or not at all.
Note: You will receive partial credit for each correct selection.

NEW QUESTION 36
HOTSPOT
You plan to use a network firewall to protect computers at a small office. For each statement about firewalls, select True or False.
Note: You will receive partial credit for each correct selection.