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MikroTik Certification
MTCNA Exam
MikroTik.MTCNA.v2025-06-23.q150 Dumps

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Question 101

Netinstall can be used to

A.Keep configuration, but reset a lost admin password
B.Reinstall software without losing licence
C.Install different software version (upgrade or downgrade)
D.Install package for different hardware architecture

Correct Answer: B,C

Netinstall is a MikroTik utility used to reinstall or repair RouterOS on RouterBOARD devices. It can be used to:
* Reinstall RouterOS while preserving the existing license (#B)
* Install a different version of RouterOS - either older or newer (#C)
Limitations:
* A.#Incorrect - Netinstall will erase the configuration; it cannot recover a lost admin password without wiping the device.
* D.#Incorrect - You can only install software meant for the specific hardware architecture of the RouterBOARD.
Extract from Official MTCNA Course Material - Netinstall Tool:
"Netinstall can be used to reinstall RouterOS and change its version. It does not erase the license key." Extract from Rene Meneses MTCNA Study Guide - Recovery Tools:
"Netinstall allows you to load any RouterOS version compatible with your device. It does not delete the license." Extract from MikroTik Wiki - Netinstall Overview:
"Netinstall reinstalls the OS, can change versions, and retains license. It cannot recover configuration or passwords."

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Question 102

What is the term for the hardware coded address found on an interface?

A.FQDN Address
B.IP Address
C.Interface Address
D.MAC Address

Correct Answer: D

The hardware-coded address that uniquely identifies a device's network interface card (NIC) on the local network is called a MAC address. It is "burned in" by the hardware manufacturer and remains constant unless manually overridden.
MAC stands for Media Access Control, and it operates at Layer 2 of the OSI model. It is used to identify devices on a local area network.
* A. FQDN (Fully Qualified Domain Name) refers to a human-readable name used in DNS.
* B. IP Address is a logical address used for routing at Layer 3.
* C. Interface Address is a generic term and not a standard identifier.
* D. MAC Address is correct and refers to the physical, hardware-encoded address on an interface.
Extract from MTCNA Course Manual - RouterBOARD Overview:
"A MAC address is a globally unique hardware identifier assigned to each Ethernet or wireless interface. It is used by Layer 2 to ensure local delivery." Rene Meneses Study Guide - MAC & OSI Layering:
"The MAC address is a 48-bit physical identifier, hardcoded by the device vendor and located in the NIC chip." Terry Combs MTCNA Notes - Layer 2 Concepts:
"MAC = Physical Address = Layer 2 Identifier. It's what switches use to forward Ethernet frames."

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Question 103

Which of the following is the valid host range for the subnet on which the IP address 192.168.168.188
255.255.255.192 resides?

A.192.168.168.129-190
B.192.168.168.129-191
C.192.168.168.128-190
D.192.168.168.128-192

Correct Answer: B

IP address: 192.168.168.188
Subnet mask: 255.255.255.192 # /26 # Block size = 64
Subnets:
* 192.168.168.0/26 # 192.168.168.0 - 63
* 192.168.168.64/26 # 192.168.168.64 - 127
* 192.168.168.128/26 # 192.168.168.128 - 191 # Contains 192.168.168.188
* 192.168.168.192/26 # 192.168.168.192 - 255
Valid host range = 192.168.168.129 - 190
(Broadcast = 191, Network address = 128)
MTCNA Course Material - Subnetting Practice:
"To find valid hosts, exclude the subnet and broadcast address. In /26, each block is 64 addresses." Rene Meneses MTCNA Study Guide - IP Addressing:
"For /26 subnetting, calculate block size as 2^(32-26) = 64. Subnet starts at multiples of 64."

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Question 104

On the advanced menu of the wireless setup there is a parameter called "Area", it works directly with:

A.Connect List
B.Access List
C.None of these
D.Security Profile

Correct Answer: B

The "Area" parameter is a user-defined tag in the wireless interface configuration that works with the Access List in MikroTik RouterOS. It allows grouping of clients or APs for filtering or configuration logic.
When an Access List rule includes an area name, it will only apply to devices matching that area.
Option breakdown:
* A. Connect List # Incorrect. Area is not used here.
* B. Access List ##Correct. "Area" is matched directly in Access List rules.
* C. None of these # Incorrect.
* D. Security Profile # Incorrect. Security Profiles control authentication/encryption, not area filtering.
Extract from Official MTCNA Course Material - Wireless Access List:
"The Area field allows you to group wireless interfaces and filter clients based on Access List rules that include this tag." Extract from Terry Combs Notes - Wireless Configuration:
"Area is a label that can be referenced in Access List rules to apply rules selectively." Extract from MikroTik Wiki - Wireless Access List Section:
"Area is used in Access List to assign rules based on interface groups or locations."

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Question 105

What does the passive command provide to dynamic routing protocols?

A.Stops an interface from sending or receiving periodic dynamic updates.
B.Stops an interface from sending periodic dynamic updates but not from receiving updates.
C.Stops the router from receiving any dynamic updates.
D.Stops the router from sending any dynamic updates.

Correct Answer: B

In dynamic routing (e.g., RIP, OSPF, EIGRP), the passive-interface command stops routingadvertisements (outgoing updates) from being sent through the specified interface. However, the router still listens for incoming routing updates.
Cisco IOS Configuration Guide - Passive Interface:
"The passive-interface command prevents routing updates from being sent on an interface, while still allowing updates to be received." Rene Meneses MTCNA Guide - Passive Mode:
"It suppresses sending routing advertisements but does not block receiving updates on that interface." Other options:
* A: Incorrect - it does not block receiving
* C: Incorrect - it applies to interfaces, not globally
* D: Also incorrect - it does not block all updates
Final answer: B
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