Mtcna Pre-test Stimata

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  • 1/42 Questions

    Action = Redirect is applied in

    • Chain=srcnat
    • Chain=dstnat
    • Chain=foward
Please wait...
About This Quiz

The MTCNA Pre-Test STIMATA assesses knowledge in network routing, specifically for MikroTik RouterOS. It covers topics such as DNS redirection, subnetting, wireless frequencies, and masquerade rules, crucial for network administrators and IT professionals.

Mtcna Pre-test Stimata - Quiz

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  • 2. 

    Choose all valid hosts address range for subnet 15.242.55.62/27

    • 15.242.55.31-15.242.55.62

    • 15.242.55.32-15.242.55.63

    • 15.242.55.33-15.242.55.62

    • 15.242.55.33-15.242.55.63

    Correct Answer
    A. 15.242.55.33-15.242.55.62
    Explanation
    The given subnet is 15.242.55.62/27, which means it has a subnet mask of 27 bits. This leaves 5 bits for the host portion of the IP address. The valid host address range for this subnet would be from the network address + 1 to the broadcast address - 1.

    The network address is 15.242.55.32 and the broadcast address is 15.242.55.63. Therefore, the valid host address range is 15.242.55.33 to 15.242.55.62.

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  • 3. 

    You have 802.11b/g wireless card. What frequencies are available to you?

    • 5800MHz

    • 2412MHz

    • 5210MHz

    • 2422MHz

    • 2327MHz

    Correct Answer(s)
    A. 2412MHz
    A. 2422MHz
    Explanation
    The correct answer is 2412MHz and 2422MHz. These frequencies are available to a device with a 802.11b/g wireless card. 802.11b/g wireless cards operate in the 2.4GHz frequency range, which includes the frequencies 2412MHz and 2422MHz.

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  • 4. 

    Action=redirect allows you to make ?

    • Transparent DNS Cache

    • Foward DNS to another device IP address

    • Enable local service

    • Transparent HTTP Proxy

    Correct Answer(s)
    A. Transparent DNS Cache
    A. Transparent HTTP Proxy
    Explanation
    The action=redirect allows you to create a transparent DNS cache and a transparent HTTP proxy. A transparent DNS cache stores DNS information, such as domain names and IP addresses, to improve the efficiency of DNS resolution. It can help reduce network latency and improve overall network performance. A transparent HTTP proxy intercepts and forwards HTTP requests and responses between clients and servers, allowing for caching, filtering, and monitoring of web traffic. Both of these features can be enabled using the action=redirect command.

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  • 5. 

    Which is correct masquerade rule for 192.168.0.0/24 network on the router with outgoing interface=ether1

    • /ip firewall nat add action=masquerade chain=srcnat

    • /ip firewall nat add action=masquerade chain=srcnat src-address=192.168.0.0/24

    • /ip firewall nat add action=masquerade out-interface=ether1 chain=dstnat

    • /ip firewall nat add action=masquerade chain=srcnat out-interface=ether1

    Correct Answer
    A. /ip firewall nat add action=masquerade chain=srcnat out-interface=ether1
    Explanation
    This command configures the router to mask the source IP address of packets leaving through ether1, which is necessary for outbound traffic from the 192.168.0.0/24 network. Using chain=srcnat ensures the rule applies to packets going out, and specifying out-interface=ether1 directs it to the correct interface.

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  • 6. 

    What Letter appear next to route, which is automatically created by ROS (RouterOS) when user adds a valid address to an active interface?

    • I

    • D

    • A

    • S

    • C

    Correct Answer(s)
    A. D
    A. A
    A. C
    Explanation
    DAC adalah Direct - Active - Connected

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  • 7. 

    Can you manually add drivers to RouterOS in case your PCI Ethernet card is not recognized, and it's a driver issue ?

    • Yes

    • No

    Correct Answer
    A. No
    Explanation
    Mikrotik menyediakan sebuah file supout.rif agar pengguna yang mempunyai keluhan pada driver komputernya dapat mengirimkannya pada tim mikrotik di latvia. Tujuannya untuk menambah update agar driver tersupport di versi OS yang akan datang

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  • 8. 

    For static routing functionality, additionally to the RouterOS system package, you will also need the following software package :

    • Routing

    • Dhcp

    • None

    • Advance-tools

    Correct Answer
    A. None
    Explanation
    Secara default mikrotik telah ter-install packages system yang sudah tercakup static routing

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  • 9. 

    Which are necessary section in /queue simple to set bandwith limitation ?

    • Target-address, max-limit, dst-address

    • Max-limit

    • Target-address, dst-address

    • Target-address, max limit

    Correct Answer
    A. Target-address, max limit
    Explanation
    In order to set bandwidth limitation in the "/queue simple" section, the necessary sections are "target-address" and "max limit". The "target-address" section is used to specify the IP address or address range to which the bandwidth limitation will be applied. The "max limit" section is used to set the maximum allowed bandwidth for the specified target address.

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  • 10. 

    What protocol is used for Ping and Trace Route?

    • DHCP

    • IP

    • ICMP

    • TCP

    • UDP

    Correct Answer
    A. ICMP
    Explanation
    ICMP (Internet Control Message Protocol) is the correct answer for the question. ICMP is a network protocol that is used for diagnostic and error reporting purposes. It is specifically designed for sending error messages and operational information about network conditions. Ping and Trace Route are two commonly used network troubleshooting tools, and both rely on ICMP to function. Ping uses ICMP Echo Request and Echo Reply messages to test the reachability of a host, while Trace Route uses ICMP Time Exceeded messages to determine the path taken by packets to reach a destination.

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  • 11. 

    From which of the following locations can you obtain Winbox?

    • Router webpage

    • Files menu in your router

    • Via the console cable

    • Mikrotik.com

    Correct Answer(s)
    A. Router webpage
    A. Mikrotik.com
    Explanation
    You can obtain Winbox from the router webpage or mikrotik.com. Winbox is a Windows-based utility that allows you to connect to and manage MikroTik routers. The router webpage is a common location to access and download Winbox, as it is typically provided by the router manufacturer. Alternatively, you can also obtain Winbox from the official MikroTik website, mikrotik.com, where they provide downloads for their software tools.

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  • 12. 

    Two Host, A and B, are connected to broadcast LAN. Select all the answer showing pairs of IP address/mask which would allow IP connections to be established between the two hosts

    • A: 10.1.2.66/25 and B:10.1.2.109/26

    • A: 10.2.2.1/23 and B: 10.2.0.1/22

    • A: 10.1.2.192/24 and B: 10.1.2.129/26

    • A: 10.2.1.0/23 and B: 10.2.0.1/22

    Correct Answer
    A. A: 10.1.2.192/24 and B: 10.1.2.129/26
    Explanation
    In order for IP connections to be established between two hosts, their IP addresses must be in the same network. The IP address and subnet mask determine the network range.

    In the given answer, Host A has an IP address of 10.1.2.192 with a subnet mask of /24, which means the network range is from 10.1.2.0 to 10.1.2.255.

    Host B has an IP address of 10.1.2.129 with a subnet mask of /26, which means the network range is from 10.1.2.128 to 10.1.2.191.

    Since both hosts have IP addresses within the same network range (10.1.2.0 to 10.1.2.255), IP connections can be established between them.

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  • 13. 

    Why is it useful to set a Radio Name on the radio interfaces?

    • To identify a station in a list of connected clients

    • To identify a station in the Access List

    • To identify a station in Neighbor discovery

    Correct Answer
    A. To identify a station in Neighbor discovery
    Explanation
    Setting a Radio Name on the radio interfaces is useful in order to identify a station during the process of Neighbor discovery. Neighbor discovery is a protocol used in networking to identify and establish connections with neighboring devices. By setting a Radio Name, the station can be easily recognized and differentiated from other devices during the neighbor discovery process. This helps in efficient communication and management of the network.

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  • 14. 

    What kind of users are listed in the Secrets window of the PPP menu?

    • PPTP users

    • Winbox users

    • L2TP users

    • Wireless users

    • PPPOE users

    • Hotspot users

    Correct Answer(s)
    A. PPTP users
    A. L2TP users
    A. PPPOE users
    Explanation
    The Secrets window in the PPP menu lists PPTP users, L2TP users, and PPPOE users. This means that the Secrets window displays the information and settings for users who are using PPTP, L2TP, and PPPOE protocols to connect to the network. It does not list Winbox users, wireless users, or hotspot users, as these are different types of connections that are managed separately.

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  • 15. 

    Router A and B are both running as PPPoE servers on different broadcast domains of your network. Is it possible to set Router A to use "/ppp secret" accounts from Router B to authenticate PPPoE customers?

    • Yes

    • No

    Correct Answer
    A. No
    Explanation
    No, it is not possible to set Router A to use "/ppp secret" accounts from Router B to authenticate PPPoE customers. Each router running as a PPPoE server has its own set of "/ppp secret" accounts, which are used for authentication purposes. Router A cannot access the accounts from Router B, as they are in different broadcast domains. Each router must have its own separate set of accounts for authentication.

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  • 16. 

    Mikrotik RouterOS DHCP client can receive following options

    • Byte limit

    • IP Gateway

    • Rate Limit

    • Uptime Limit

    • IP Address and Subnet

    Correct Answer(s)
    A. IP Gateway
    A. IP Address and Subnet
    Explanation
    The Mikrotik RouterOS DHCP client can receive the IP Gateway and IP Address and Subnet options. These options are essential for the DHCP client to function properly. The IP Gateway option provides the gateway address that the client should use to access the internet or other networks. The IP Address and Subnet option provides the client with its own IP address and the subnet mask to determine the network range it belongs to. These options are crucial for establishing network connectivity and ensuring proper routing within the network.

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  • 17. 

    The hotspot feature can be used only on ethernet interfaces. You have to use a separate access point if you want to use this feature with wireless

    • Yes

    • No

    Correct Answer
    A. No
    Explanation
    The explanation for the given correct answer is that the hotspot feature is not limited to only ethernet interfaces, but it can also be used with wireless interfaces. Therefore, the statement provided in the question is incorrect.

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  • 18. 

    If you need to make sure that one computer in your Hotspot network can access the internet without Hotspot authentication, which menu allows you to do this?

    • Users

    • IP bindings

    • Walled-garden

    • Walled-garden IP

    Correct Answer
    A. IP bindings
    Explanation
    The correct answer is IP bindings. In a Hotspot network, IP bindings allow you to specify certain IP addresses or ranges that are exempt from Hotspot authentication. By adding the IP address of the computer that needs to access the internet without authentication to the IP bindings list, you can ensure that it can bypass the authentication process and connect directly to the internet.

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  • 19. 

    How many different priorities can be selected for queues in Mikrotik RouterOS?

    • 8

    • 16

    • 0

    • 1

    Correct Answer
    A. 8
    Explanation
    There are 8 different priorities that can be selected for queues in Mikrotik RouterOS.

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  • 20. 

    Which default route will be active?/ip routeadd disabled=no distance=10 dst-address=0.0.0.0/0 gateway=1.1.1.1add disabled=no distance=5 dst-address=0.0.0.0/0 gateway=2.2.2.2

    • Route via gateway 1.1.1.1

    • Route via gateway 2.2.2.2

    Correct Answer
    A. Route via gateway 2.2.2.2
    Explanation
    The correct answer is "Route via gateway 2.2.2.2" because the second route has a lower distance value (5) compared to the first route (10). In routing, the distance metric determines the preference of a route, with lower values being more preferred. Therefore, the route with a distance of 5 will be active as the default route.

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  • 21. 

    How long is level 1 (demo) license valid?

    • 24 hours

    • Infinite time

    • 1 month

    • 1 year

    Correct Answer
    A. 1 month
    Explanation
    A Level 1 (demo) license typically serves as a trial version for users to test software before purchasing a full license. This type of license is often valid for 1 month, providing ample time to evaluate the software's features and performance. This duration balances convenience with the need for eventual purchase decisions.

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  • 22. 

    Manakah fakta yang benar mengenai file backup?

    • Termasuk file yang tersimpan di /files

    • Bisa diedit

    • Termasuk username dan password dari /user

    • Mencakup seluruh konfigurasi router

    Correct Answer(s)
    A. Termasuk file yang tersimpan di /files
    A. Mencakup seluruh konfigurasi router
    Explanation
    The correct answer is "Termasuk file yang tersimpan di /files" and "Mencakup seluruh konfigurasi router". This means that backup files include those stored in the /files directory and they also contain the entire configuration of the router. This suggests that backup files not only include user files but also important system files and settings related to the router.

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  • 23. 

    NStreme works only on 40mhz Channel width

    • True

    • False

    Correct Answer
    A. False
    Explanation
    NStreme does not work only on 40MHz channel width. NStreme is a proprietary wireless protocol developed by MikroTik that is designed to improve wireless performance and efficiency. It can be used with various channel widths, including 20MHz, 40MHz, and even 80MHz in some cases. Therefore, the statement that NStreme works only on 40MHz channel width is incorrect.

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  • 24. 

    To make all DNS request coming from your network to resolve on your router (regardless of clients configuration), which action would you specify for the DST-NAT rule?

    • Masquerade

    • Dst-nat

    • You can't use DST-NAT to achieve this

    • Redirect

    Correct Answer
    A. Redirect
    Explanation
    The correct answer is "redirect." By specifying the "redirect" action for the DST-NAT rule, all DNS requests originating from the network will be redirected to the router, regardless of the clients' configuration. This allows the router to handle the DNS resolution for the network. The "masquerade" action is used for source NAT, not for redirecting DNS requests. The statement "you can't use DST-NAT to achieve this" is incorrect, as redirecting DNS requests is indeed possible using the DST-NAT rule.

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  • 25. 

    The first two rules in the forward chain of the filter table are :/ip firewall filter add chain=forward connection-state=established action=accept/ip firewall filter add chain=forward connection-state=invalid action=dropconnection-state=related packets are not filtered by the rules above

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The first two rules in the forward chain of the filter table are specifically designed to handle established and invalid connection states. The "connection-state=established" rule allows any established connections to pass through, while the "connection-state=invalid" rule drops any packets with invalid connection states. Since the "connection-state=related" packets are not explicitly mentioned in these rules, they are not filtered and can pass through. Therefore, the statement that "connection-state=related packets are not filtered by the rules above" is true.

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  • 26. 

    /interface wireless access list is used for

    • Shows a list of Client's MAC address that are already registered at AP

    • Authenticate Hotspot users

    • Handles a list of Client's MAC Address to permit/deny connection to AP

    • Contains the security profiles settings

    Correct Answer
    A. Shows a list of Client's MAC address that are already registered at AP
    Explanation
    The /interface wireless access list is used to show a list of Client's MAC addresses that are already registered at the AP. It does not handle authentication or security profiles settings, but rather provides a way to view the MAC addresses of clients that are allowed to connect to the AP.

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  • 27. 

    In case when router login password is lostm it is necessary to reinstall RouterOS or use hardware reset function.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    If the router login password is lost, reinstalling RouterOS or using the hardware reset function is necessary. This means that if the password is forgotten or cannot be recovered, the only way to regain access to the router is to either reinstall the operating system or perform a hardware reset. This is because the password is essential for logging into the router's administrative interface, and without it, alternative methods must be used to regain control of the device. Therefore, the statement is true.

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  • 28. 

    Possible actions of ip firewall filter are:

    • Tarpit

    • Tarp

    • Bounce

    • Add-to-address-list

    • Log

    • Accept

    Correct Answer(s)
    A. Tarpit
    A. Add-to-address-list
    A. Log
    A. Accept
    Explanation
    The possible actions of the IP firewall filter include tarpit, add-to-address-list, log, and accept.

    A tarpit action is used to slow down the connection of an attacker, making it difficult for them to continue their malicious activities.

    The add-to-address-list action allows the firewall to add the source IP address of a packet to a specified address list, which can be used for further filtering or blocking.

    The log action logs information about the packet, such as source and destination IP addresses, protocol, and port numbers.

    The accept action allows the packet to pass through the firewall without any further processing.

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  • 29. 

    Which software version can be installed onto the following RouterBoard types?

    • Routeros-x86-x.xx.npk on a RB1100

    • Routeros-mipsbe-x.xx.npk on a RB133

    • Routeros-mipsle-x.xx.npk on a RB133

    • Routeros-powerpc-x.xx.npk on a RB333

    • Routeros-mipsbe-x.xx.npk on a RB433

    Correct Answer(s)
    A. Routeros-mipsle-x.xx.npk on a RB133
    A. Routeros-mipsbe-x.xx.npk on a RB433
    Explanation
    The software version "routeros-mipsle-x.xx.npk" can be installed on a RB133 router, while the software version "routeros-mipsbe-x.xx.npk" can be installed on a RB433 router.

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  • 30. 

    PPP Secrets are used for

    • L2TP clients

    • Router users

    • PPTP clients

    • PPP clients

    • IPSec clients

    • PPPoE clients

    Correct Answer(s)
    A. L2TP clients
    A. PPTP clients
    A. PPP clients
    A. PPPoE clients
    Explanation
    PPP Secrets are used for authentication and authorization purposes in PPP (Point-to-Point Protocol) connections. L2TP (Layer 2 Tunneling Protocol), PPTP (Point-to-Point Tunneling Protocol), PPP (Point-to-Point Protocol), and PPPoE (Point-to-Point Protocol over Ethernet) are all different protocols that utilize PPP for establishing and managing connections. Therefore, PPP Secrets are used to authenticate and authorize clients using these protocols. Router users and IPSec clients are not mentioned in the options, so they are not relevant to this question.

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  • 31. 

    WPA 2 Pre Shared key (PSK) is enabled on AP, all your clients have to use the same PSK. Only Virtual AP could be used to allow clients to connect with a different PSK.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    This statement is false because WPA2-PSK allows each client to have its own unique pre-shared key. The pre-shared key is entered manually on each client device, allowing them to authenticate and connect to the access point. Virtual APs are not necessary for clients to have different pre-shared keys.

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  • 32. 

    Which of the following actions are available for '/ip firewall mangle' (select all valid actions)

    • Change MSS

    • Mark connection

    • Accept

    • Jump

    • Drop

    • Mark packet

    Correct Answer(s)
    A. Change MSS
    A. Mark connection
    A. Accept
    A. Jump
    A. Mark packet
    Explanation
    The '/ip firewall mangle' command in MikroTik RouterOS provides various actions to manipulate packets. The available actions in this case are: Change MSS, mark connection, accept, jump, and mark packet. These actions allow the user to modify the Maximum Segment Size (MSS), mark connections, accept packets, jump to another rule, and mark individual packets for further processing. The 'drop' action, which was not mentioned in the answer, is not available for '/ip firewall mangle'.

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  • 33. 

    You need to set up an E1(T1) connection with PPP configured. Which License Level is needed?

    • Level 4

    • It cannot be done in RouterOS

    • Level 5

    Correct Answer
    A. It cannot be done in RouterOS
  • 34. 

    You have a router with configuration-Public IP : 202.168.125.45/24-Default Gateway : 202.1687.125.1-DNS Server : 248.115.148.136, 248.115.148.137-Local IP : 192.168.2.1/24Mark the connection configuration on client PC to access to the internet

    • IP:192.168.2.115/24 gateway:192.168.2.1

    • IP:192.168.0.1/24 gateway:192.168.2.1

    • IP:192.168.1.223/24 gateway:248.115.148.136

    • IP:192.168.2.253/24 gateway:202.168.0.1

    Correct Answer
    A. IP:192.168.2.115/24 gateway:192.168.2.1
    Explanation
    The correct answer is IP:192.168.2.115/24 gateway:192.168.2.1. This is the correct configuration because the client PC is on the same subnet as the router's local IP address. The IP address 192.168.2.1 is the default gateway for the client PC to access the internet.

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  • 35. 

    An IP address pool can contain address from more than one subnet

    • True

    • False

    Correct Answer
    A. True
    Explanation
    An IP address pool can contain addresses from more than one subnet because a subnet is a range of IP addresses that are part of a larger network. By having multiple subnets within an IP address pool, different groups of devices can be assigned IP addresses from different subnets, allowing for better organization and management of network resources. This also enables more efficient allocation of IP addresses, as the pool can be expanded or adjusted to accommodate the needs of different subnets within the network.

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  • 36. 

    Which features are removed when advanced-tools packages is uninstalled?

    • Neighbors

    • Ip-scan

    • Netwatch

    • LCD support

    • Ping

    • Bandwith-test

    Correct Answer(s)
    A. Neighbors
    A. Netwatch
    A. Ping
    Explanation
    When the advanced-tools package is uninstalled, the features that are removed are neighbors, netwatch, and ping.

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  • 37. 

    Rate Flapping can be avoided by

    • Choose larger channels (40 Mhz instead of 20 Mhz)

    • Reduce supported rates

    • Change ap-bridge to bridge

    • Set basic rates to only one data rate like 24 Mbps

    Correct Answer
    A. Reduce supported rates
    Explanation
    Reducing supported rates can help avoid rate flapping. Rate flapping occurs when a wireless device continuously switches between different data rates, causing instability and poor performance. By reducing the number of supported rates, the device will have fewer options to switch between, leading to a more stable connection. This can be achieved by configuring the device to only support a specific data rate, such as 24 Mbps, instead of allowing multiple rates.

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  • 38. 

    Mark possible connection states in the connection tracking table

    • Related

    • Invalid

    • Closed

    • Established

    • Syn

    • New

    Correct Answer(s)
    A. Related
    A. Invalid
    A. Established
    A. New
    Explanation
    The correct answer includes the possible connection states that can be marked in the connection tracking table. The "Related" state indicates that the connection is related to an existing connection. The "Invalid" state signifies that the connection is invalid or has been terminated. The "Established" state indicates that the connection has been successfully established. The "New" state signifies a new connection that has been initiated. Therefore, the correct answer includes all these possible connection states.

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  • 39. 

    Impossible to delete admin user on user table mikrotik

    • True

    • False

    Correct Answer
    A. False
    Explanation
    The given statement is "Impossible to delete admin user on user table mikrotik." The correct answer is False. This means that it is possible to delete the admin user on the user table of MikroTik. The statement implies that it is not possible to delete the admin user, but the correct answer contradicts this by stating that it is indeed possible.

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  • 40. 

    Which options should be used when you want to prevent access from one spesific address to your router web interface?

    • Group setting for System users

    • Firewall Filter Chain Input

    • Firewall Filter Chain Forward

    • WWW service from IP Services

    Correct Answer
    A. Firewall Filter Chain Input
    Explanation
    The correct answer is "Firewall Filter Chain Input." This option should be used when you want to prevent access from one specific address to your router web interface. The Firewall Filter Chain Input is a set of rules that are applied to incoming traffic, allowing you to control and filter the packets that are allowed to enter your router. By configuring the Firewall Filter Chain Input, you can block access from a specific IP address to your router's web interface, ensuring that only authorized users can access it.

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  • 41. 

    Which is a default baud-rate of currently manufactured RouterBOARDs?

    • 115200

    • 8291

    • 11520

    • 3128

    Correct Answer
    A. 115200
    Explanation
    The default baud-rate of currently manufactured RouterBOARDs is 115200.

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  • 42. 

    Which queue-type is suitable for congested environment but not good on UDP?

    • PCQ

    • BFIFO

    • PFIFO

    • RED

    • SCQ

    Correct Answer
    A. RED
    Explanation
    RED (Random Early Detection) is a queue-type that is suitable for a congested environment because it helps to prevent congestion by dropping packets before the queue becomes completely full. However, it is not good on UDP (User Datagram Protocol) because UDP does not have built-in congestion control mechanisms, and RED relies on TCP's congestion control mechanisms to work effectively. Therefore, RED may drop UDP packets unnecessarily, leading to potential performance issues for UDP-based applications.

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  • Current Version
  • Sep 01, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Nov 12, 2018
    Quiz Created by
    Masfirman

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