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এই পেজটি তৈরি করা হয়েছে CCNA, CCNP, সাইবার সিকিউরিটি এবং অন্যান্য আইটি সম্পর্কিত বিষয়ের জ্ঞান শেয়ার করার জন্য। আইটি শেখার এই যাত্রায় আমাদের সঙ্গে যুক্ত হন এবং নিজের ক্যারিয়ারকে এগিয়ে নিন একধাপ সামনে. CCNA Training in Bangladesh ,Cisco CCNA Course Dhaka ,Computer Training Institute Dhaka ,IT Training Center Bangladesh ,Networking Course Bangladesh ,Computer Training Center Dhaka ,Best CCNA Training in Bangladesh ,Online CCNA Course Bangladesh ,Computer Training Institute in Dhaka ,IT Training Institute Dhaka ,CCNA Certification ,Cisco Networking ,IT Training ,Computer Courses ,Networking Jobs ,Freelancing in IT ,Online Learning Platforms ,Tech Education ,IT Career Development ,CCNA Certification ,Cisco Networking ,IT Training ,Computer Courses ,Networking Jobs , Online Learning Platforms ,Tech Education ,IT Career Development , computer training, word, excel, cyber security, ceh, cisa,cissp, ccnp, automation, ccna automation, ccnp automation.

What does ARP map?A. MAC address to DNSB. IP address to MAC addressC. MAC address to IP automatically across routersD. P...
16/09/2026

What does ARP map?

A. MAC address to DNS
B. IP address to MAC address
C. MAC address to IP automatically across routers
D. Port to IP address

💡 Can you choose the correct answer?

Which IPv4 address is the loopback address?A. 0.0.0.0B. 127.0.0.1C. 255.255.255.255D. 169.254.1.1💬 Comment your answer b...
15/09/2026

Which IPv4 address is the loopback address?

A. 0.0.0.0
B. 127.0.0.1
C. 255.255.255.255
D. 169.254.1.1

💬 Comment your answer below!
🎯 Let’s see how many CCNA learners get it right!

Which address is a valid IPv4 private address?A. 8.8.8.8B. 172.20.10.5C. 1.1.1.1D. 209.165.200.1💡 Do you know the answer...
14/09/2026

Which address is a valid IPv4 private address?
A. 8.8.8.8
B. 172.20.10.5
C. 1.1.1.1
D. 209.165.200.1

💡 Do you know the answer? Comment your answer below! 👇

Which device separates broadcast domains by default?A. HubB. Layer 2 switchC. RouterD. Repeater💬 What’s your answer? Com...
13/09/2026

Which device separates broadcast domains by default?

A. Hub
B. Layer 2 switch
C. Router
D. Repeater

💬 What’s your answer? Comment below!

Which protocol provides reliable, connection-oriented communication?A. UDPB. IPC. TCPD. ICMP💬 Share your answer in the c...
10/09/2026

Which protocol provides reliable, connection-oriented communication?

A. UDP
B. IP
C. TCP
D. ICMP

💬 Share your answer in the comments!

Which OSI layer is responsible for IP addressing and routing?A. Layer 2 – Data LinkB. Layer 3 – NetworkC. Layer 4 – Tran...
09/09/2026

Which OSI layer is responsible for IP addressing and routing?

A. Layer 2 – Data Link
B. Layer 3 – Network
C. Layer 4 – Transport
D. Layer 7 – Application

💬 Comment your answer below!

What is the first 24 bits of an Ethernet MAC address called?A. BIAB. OUIC. VLAN IDD. NIC ID💬 Comment your answer below! ...
08/09/2026

What is the first 24 bits of an Ethernet MAC address called?

A. BIA
B. OUI
C. VLAN ID
D. NIC ID

💬 Comment your answer below!

🌐 Which device operates primarily at Layer 2 of the OSI Model?A. 🔹 RouterB. 🔹 SwitchC. 🔹 FirewallD. 🔹 HubWhat’s your ans...
07/09/2026

🌐 Which device operates primarily at Layer 2 of the OSI Model?

A. 🔹 Router
B. 🔹 Switch
C. 🔹 Firewall
D. 🔹 Hub

What’s your answer?

💬 Comment A, B, C, or D below!

📚 Test your CCNA knowledge and challenge your networking friends!

The first six documents in the ISO/IEC 27000 series provide recommendations for “establishing, implementing, operating, ...
03/09/2026

The first six documents in the ISO/IEC 27000 series provide recommendations for “establishing, implementing, operating, monitoring, reviewing, maintaining, and improving an Information Security Management System

20/08/2026

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DOHS
Dhaka
1206

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