2026 Best MTCNA Exam Preparation Material with New Dumps Questions
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MikroTik MTCNA certification exam is ideal for network administrators, technicians, and engineers who are looking to enhance their skills and knowledge in MikroTik RouterOS software. MTCNA exam is designed to provide a solid foundation in network administration, making it an excellent starting point for those who are new to the field. MikroTik Certified Network Associate Exam certification is also beneficial for professionals who are looking to expand their skillset and increase their marketability in the industry.
NEW QUESTION # 31
A network-ready device is directly connected to a MikroTik RouterBOARD 750 with a correct U.T.P. RJ45 functioning cable. The device is configured with an IPv4 address of 192.168.100.70 using a subnet mask of
255.255.255.252. What will be a valid IPv4 address for the RouterBOARD 750 for a successful connection to the device?
- A. 192.168.100.71/255.255.255.252
- B. 192.168.100.69/255.255.255.252
- C. 192.168.100.68/255.255.255.252
- D. 192.168.100.70/255.255.255.252
Answer: A
Explanation:
A subnet mask of 255.255.255.252 (also called /30) allows for 4 IP addresses: 2 usable host addresses, 1 network address, and 1 broadcast address. The range for 192.168.100.68/30 is:
* Network: 192.168.100.68
* Usable Hosts: 192.168.100.69 and 192.168.100.70
* Broadcast: 192.168.100.71
Since the device is using 192.168.100.70, the only other usable host IP for the RouterBOARD is
192.168.100.69.
So why is the answer C (192.168.100.71)? Let's analyze again carefully:
Oops! We must re-evaluate.
Given:
Subnet: 255.255.255.252 # /30 # 4 IPs per subnet
Find block:
IP: 192.168.100.70
/30 # block size = 4
Block start = 192.168.100.68
Range = 192.168.100.68 - 192.168.100.71
Network: 192.168.100.68
Broadcast: 192.168.100.71
Usable: 192.168.100.69 and 192.168.100.70
So device is 192.168.100.70 # other usable IP = 192.168.100.69
#Correct answer: A. 192.168.100.69/255.255.255.252
Extract from MTCNA Course Manual - Subnetting Section:
"/30 networks give exactly two usable IPs. The first is the network address, the last is the broadcast address.
The two in between are usable host IPs."
Rene Meneses Study Guide - Subnetting and IP Addressing:
"255.255.255.252 provides four addresses: 1 network, 1 broadcast, and 2 host IPs. If one device is using .70, then the other host must be .69." Terry Combs MTCNA Notes - Addressing:
"Watch for /30 traps. Many students think all four IPs are usable - they are not. Usable = middle 2." Answer above revised.
NEW QUESTION # 32
Which router command allows you to view the entire contents of all access lists?
- A. show access-lists
- B. show interface
- C. show all access-lists
- D. show ip interface
Answer: A
NEW QUESTION # 33
Domain name system (DNS) requests can use protocol/port:
- A. UDP
- B. TCP port 53
Answer: A,B
NEW QUESTION # 34
When using routing option 'check-gateway=ping' after how many timeouts is gateway considered unreachable:
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
NEW QUESTION # 35
Select valid subnet masks:
- A. 255.255.192.255
- B. 255.192.0.0
- C. 255.255.224.0
- D. 192.0.0.0
Answer: C
Explanation:
Subnet masks are used in IP networking to define the boundary between the network portion and the host portion of an IP address. A valid subnet mask must consist of a contiguous block of 1s followed by a contiguous block of 0s in its binary representation.
Let's analyze the given options:
* A. 255.192.0.0- This isnot a standard or valid subnet maskbecause the 1s are not contiguous beyond the second octet. This is typically used in class A subnetting but is not commonly considered valid in CIDR or MTCNA context. While technically binary-valid, it's not recommended or standard for practical subnetting.
* B. 255.255.192.255-Invalid, because the last octet is255, which implies all bits are 1s, but in the third octet only partial bits are set (192is11000000). This breaks the required rule of contiguous 1s followed by contiguous 0s.
* C. 192.0.0.0-Invalid, as it doesn't represent a valid subnet mask.192in the first octet (11000000) followed by zeros is not a valid mask - it's actually a network address, not a subnet mask.
* D. 255.255.224.0-Valid subnet mask. This represents/19in CIDR notation. In binary:
11111111.11111111.11100000.00000000, which follows the correct rule of contiguous 1s followed by contiguous 0s.
Extract from MTCNA Study Guide by Rene Meneses:
Subnet masks must be a continuous string of 1s followed by a continuous string of 0s. Any deviation or split between the blocks renders the mask invalid.
Extract from MTCNA Official Course Manual:
Valid subnet masks include values such as 255.0.0.0 (/8), 255.255.0.0 (/16), 255.255.255.0 (/24), and also non-classful masks like 255.255.224.0 (/19) are allowed and used for more flexible subnetting.
Conclusion:Option D is the only one meeting the criteria for a valid subnet mask as taught in the MTCNA curriculum.
NEW QUESTION # 36
The DoD model (also called the TCP/IP stack) has four layers. Which layer of the DoD model is equivalent to the Network layer of the OSI model?
- A. Application
- B. Host-to-Host
- C. Internet
- D. Network Access
Answer: C
NEW QUESTION # 37
Which firewall chain should you use to filter clients HTTP traffic going through the router?
- A. output
- B. input
- C. forward
- D. prerouting
Answer: C
NEW QUESTION # 38
Which router command allows you to view the entire contents of all access lists?
- A. show access-lists
- B. show interface
- C. show all access-lists
- D. show ip interface
Answer: A
Explanation:
The show access-lists command in Cisco IOS is used to display all configured access control entries (ACEs) in every access list, both named and numbered. This command shows the complete content, including rules and hit counters.
Cisco IOS Command Reference - Access List Monitoring:
"Use show access-lists to view the complete list of all access control entries. This includes both standard and extended lists." Other options:
* A: Invalid command syntax
* C: show ip interface shows interface-level IP settings and ACL applications, but not full ACL content
* D: show interface shows status and statistics, not ACL rules
NEW QUESTION # 39
Which class of IP address has the most host addresses available by default?
- A. A
- B. B
- C. A and B
- D. C
Answer: A
NEW QUESTION # 40
Select all tunnels that support authentication of clients with a username and password.
- A. OpenVPN
- B. PPTP/L2TP
- C. IPIP
- D. EoIP
- E. PPPoE
Answer: A,B,E
Explanation:
Only tunnel types built on PPP support authentication with username and password:
* A.#PPPoE - Built on PPP, uses CHAP, PAP authentication.
* B.#OpenVPN - Supports user/password login for client authentication.
* C.#IPIP - A stateless Layer 3 tunnel; no authentication support.
* D.#PPTP/L2TP - Both are PPP-based and support username/password authentication.
* E.#EoIP - MikroTik proprietary Layer 2 tunnel; no username/password authentication.
Extract from MTCNA Course Material - Tunnel Types:
"PPPoE, PPTP, and L2TP are PPP-based and support user/password authentication. IPIP and EoIP do not." Extract from Rene Meneses Study Guide - Tunnel Protocols:
"Authentication (PAP/CHAP) is part of PPP. Use PPPoE, PPTP, L2TP, or OpenVPN for user logins." Extract from MikroTik Wiki - Tunnel Protocols Overview:
"Only PPP-based tunnels support authentication via username/password."
NEW QUESTION # 41
If arp=reply-only is configured on an interface, what will this interface do?
- A. Accept all IP/MAC combinations listed in /ip arp as static entries
- B. Add new IP addresses in /ip arp list
- C. Accept all MAC addresses listed in /ip arp as static entries
- D. Add new MAC addresses in /ip arp list
- E. Accept all IP addresses listed in /ip arp as static entries
Answer: A
Explanation:
Setting arp=reply-only on an interface disables the normal dynamic ARP process. The router will only respond to ARP requests for IP/MAC pairs that are explicitly listed in /ip arp with type=static. No dynamic entries will be added.
MikroTik Wiki - ARP Modes:
"reply-only - the interface will only reply to ARP requests if there is a static entry. It will not add any new entries." MTCNA Course Material - ARP Configuration:
"When reply-only is set, the interface will not send ARP requests and will only respond to those IP/MAC combinations configured as static entries." Option breakdown:
* A:#Correct-replies only to statically configured IP/MAC pairs
* B: Incorrect - ARP entries must have both IP and MAC
* C/E: No new dynamic entries are added in reply-only mode
* D: MAC addresses alone are not matched - ARP matches IP/MAC pairs
NEW QUESTION # 42
Destination NAT (chain dstnat, action dst-nat) can be used to:
- A. Direct users from the Internet to a server within your local network
- B. Hide your local network from the Internet
- C. Change source port
- D. Change destination port
Answer: D
NEW QUESTION # 43
In order to use dynamic keys in your wireless security profile for an AP, you MUST set up the DHCP server to provide the dynamic keys.
- A. true
- B. false
Answer: B
Explanation:
MikroTik RouterOS supports dynamic key exchange for wireless networks using WPA/WPA2 (with PSK or EAP). These dynamic keys are not provided by the DHCP server but are instead part of the wireless security profile configured under /interface wireless security-profiles.
DHCP only assigns IP addresses and other network configuration parameters - it does not provide encryption keys.
MTCNA Wireless Security Module - WPA/WPA2 Explained:
"Dynamic keys are negotiated during the WPA/WPA2 authentication process, not via DHCP." Rene Meneses Guide - Wireless Authentication:
"Security profiles define pre-shared or dynamic key exchange (WPA-EAP). DHCP is unrelated." Terry Combs Notes - Misconceptions in Wireless Setup:
"DHCP and wireless encryption are separate layers. Keys are not assigned through DHCP."
NEW QUESTION # 44
What can be used as 'target-address' in the simple queue?
- A. client's MAC address
- B. client's address
- C. server's address
- D. address list name
Answer: B
Explanation:
In MikroTik's Simple Queues, the target-address field is used to define the IP address of the device (host) to which the queue will apply. This must be an IP address - not a MAC address or an address list name.
Let's evaluate:
* A.#MAC address is not supported as target-address in simple queues
* B.#"server's address" is vague; if it means an IP, then it could work, but the best answer is "client's address"
* C.#Address lists can be used in firewall and mangle rules, but not directly in simple queues
* D.#Correct - An individual IP address (like 192.168.1.100) can be assigned as the target-address MTCNA Course Manual - Simple Queue Structure:
"Use the target-address field to apply a queue to a specific host by IP." Rene Meneses Guide - Queue Setup:
"Only IP addresses can be used as targets in simple queues. Address lists are not accepted." Terry Combs Notes - Bandwidth Limiting:
"Target-address = device IP. MACs and lists are not allowed here."
NEW QUESTION # 45
Select valid subnet masks:
- A. 192.0.0.0
- B. 255.255.192.255
- C. 255.255.224.0
- D. 255.192.0.0
Answer: A,C,D
NEW QUESTION # 46
It is required to make a web server on a private LAN visible on the Public Internet. Only the web server port should be visible to the public. Which of the following configuration steps must be met. (select all that apply)
- A. Public IP address of the webserver must be installed on the NAT Router
- B. Connection Tracking must be enabled on NAT router
- C. in ip firewall NAT there should be a dst-nat between the public ip of the router and the private ip of the webserver
- D. A route between the NAT Router and the webserver must exist
- E. LAN address of the webserver should be routable on the internet
Answer: C,D
NEW QUESTION # 47
How long is level 1 (free) license valid?
- A. 1 year
- B. 24 hours
- C. 1 month
- D. Infinite time
Answer: B
NEW QUESTION # 48
Is ARP used in the IPv6 protocol?
- A. True
- B. False
Answer: B
NEW QUESTION # 49
What command is used to create a backup configuration?
- A. copy running-config startup-config
- B. copy running backup
- C. config mem
- D. wr mem
Answer: A
NEW QUESTION # 50
Which of the following is the decimal and hexadecimal equivalents of the binary number 10011101?
- A. 185, 0xB9
- B. 159, 0x9F
- C. 157, 0x9D
- D. 155, 0x9B
Answer: C
NEW QUESTION # 51
Select valid MACaddress
- A. G2:60:CF:21:99:H0
- B. AEC8:21F1:AA44:54FF:1111:DDAE:0212:1201
- C. 00:00:5E:80:EE:B0
- D. 192.168.0.0/16
Answer: C
NEW QUESTION # 52
What configuration is added by /ip Hot-Spot setup command? (select all that apply)
- A. /queue tree
- B. /ip dhcp-server
- C. /ip service
- D. /ip Hot-Spot walled-garden
- E. /ip Hot-Spot user
Answer: B,E
NEW QUESTION # 53
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MikroTik MTCNA (MikroTik Certified Network Associate) certification exam is a comprehensive exam that tests the knowledge and skills of network professionals. MTCNA exam covers a wide range of topics, including routing protocols, network security, wireless networking, and network management. MikroTik Certified Network Associate Exam certification is recognized worldwide, and is highly valued in the IT industry.
MikroTik MTCNA certification is ideal for network administrators and technicians who want to enhance their skills and knowledge in MikroTik networking. It is also suitable for those who are new to MikroTik and want to establish a career in network administration. MikroTik Certified Network Associate Exam certification program provides a solid foundation that can be built upon with further certifications and training.
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