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MikroTik is a Latvian company that develops and sells networking equipment and software, including routers, switches, and wireless access points. The MTCNA Certification program is designed to provide professionals with a deep understanding of MikroTik's products and how to configure and manage them effectively.
NEW QUESTION # 98
The correct order for PPPoE discovery stage is:
Answer: A
Explanation:
PPPoE (Point-to-Point Protocol over Ethernet) uses a discovery stage before establishing the actual PPP session. The correct sequence is:
* Initialization # Client sends a PADI (PPPoE Active Discovery Initiation)
* Offer # Server responds with PADO (PPPoE Active Discovery Offer)
* Request # Client sends PADR (PPPoE Active Discovery Request)
* Session Confirmation # Server sends PADS (PPPoE Active Discovery Session-confirmation)
* A.#Wrong sequence
* B.#Correct - Matches the technical flow: PADI # PADO # PADR # PADS
* C.#Incorrect order
* D.#Incorrect order
Extract from MTCNA Course Material - PPPoE Process:
"The PPPoE discovery stage includes PADI, PADO, PADR, and PADS messages. This translates to Initialization, Offer, Request, Session confirmation." Extract from MikroTik Wiki - PPPoE Protocol:
"The discovery stage is used to establish a PPPoE session and includes four steps: PADI, PADO, PADR, and PADS."
NEW QUESTION # 99
The basic unit of a physical network (OSI Layer 1) is the:
Answer: A
Explanation:
The OSI Layer 1, also known as the Physical Layer, is responsible for the transmission and reception of raw binary data over a physical medium. The most fundamental unit at this layer is the bit.
* Bit = Binary Digit (0 or 1)
* It is transmitted over physical media (cables, radio signals, etc.)
* Frames (A) exist at Layer 2 (Data Link Layer), not Layer 1.
* Bytes (C) are groups of 8 bits, but bits are still the smallest indivisible transmission unit.
* Headers (D) are metadata used at Layers 2-7; not relevant to Layer 1.
MTCNA Official Training Manual - OSI Model Chapter:
"Layer 1 transmits raw bits over a transmission medium. These bits form the foundation for higher-layer data structures." Rene Meneses MTCNA Guide - OSI Model Breakdown:
"Physical Layer (Layer 1) carries bits, not frames or bytes. It's concerned with voltages, cables, connectors, and signal encoding." Terry Combs Notes - OSI Layers:
"Layer 1 = Bits. Nothing more. Frames come into play in Layer 2."
answer: B
NEW QUESTION # 100
Which protocol does Ping use?
Answer: C
NEW QUESTION # 101
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?
Answer: D
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 # 102
Action=redirect can be used in NAT chain src-nat
Answer: B
Explanation:
The action=redirect is used only in the dstnat chain to redirect traffic to a local port (e.g., for transparent proxy or DNS capture). It is not valid in the srcnat chain.
* A.#Incorrect - RouterOS will not permit redirect in srcnat.
* B.#Correct - redirect is only supported in dstnat.
Extract from Official MTCNA Course Material - NAT Actions:
"Redirect is used in the dstnat chain to force traffic to a specific port on the local router." Extract from MikroTik Wiki - NAT Action Reference:
"Action=redirect is only meaningful in dstnat and is used to redirect traffic to router-local services." Extract from Rene Meneses Study Guide - NAT Table:
"Redirect cannot be used in srcnat. Only valid in dstnat for local service interception."
NEW QUESTION # 103
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MTCNA Actualtest: https://www.getcertkey.com/MTCNA_braindumps.html