Answer: A VLAN (Virtual Local Area Network) is a logical grouping of devices within a network, regardless of their physical location. It allows for the segmentation and isolation of broadcast domains.
Answer: Routers link different computer networks by forwarding data packets. In the OSI model, it belongs to the network layer.
Answer: Hub: Operates at the physical layer and simply broadcasts data to all connected devices. Switch:
Operates at the data link layer, filters, and forwards data based on MAC addresses. Router: Operates at the network layer, and forwards data between different networks based on IP addresses.
Answer: OSPF (Open Shortest Path First) is a dynamic routing protocol used to exchange routing information between routers within an autonomous system.
Answer: NAT (Network Address Translation) is used to map private IP addresses to a single public IP address, allowing multiple devices within a private network to share a single public IP for internet access.
Answer: TCP (Transmission Control Protocol) is connection-oriented, provides reliable and ordered delivery of data. UDP (User Datagram Protocol) is connectionless, provides faster but unreliable delivery of data.
Answer: ARP (Address Resolution Protocol) is used to map a known IP address to a MAC address in a local
network.
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Answer: The OSI (Open Systems interconnection) model is a conceptual framework that standardizes the functions of a telecommunication or computing system into seven abstraction layers.
Answer: An IP address is divided into network and host portions by a subnet mask, which is a 32-bit number.
It identifies a host's IP address and the network's address.
Answer: A default gateway is a router on a network that serves as an entry and exit point for data packets traveling between different networks.
Answer: A broadcast storm occurs when a network system is overwhelmed with continuous broadcast or multicast traffic, degrading network performance.
Answer: A bridged Ethernet local area network is guaranteed to maintain a loop-free topology by using STP.
Answer: DHCP (Dynamic Host Configuration Protocol) is used to dynamically assign IP addresses and other
network configuration information to devices on a network.
Collision Domain: The set of devices on a network segment where collisions can occur. Broadcast Domain:
The set of all devices that receive broadcast frames originating from any device within the group.
Answer: HSRP is a Cisco proprietary redundancy protocol that provides high network availability by allowing two or more routers to work together in order to represent a single IP address for a particular network.
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Answer: To establish a reliable connection between two devices, the three-way handshake is used. It involves SYN, SYN-ACK, and ACK packets to synchronize sequence numbers.
Answer: An ACL is a set of rules applied to a router interface to control the traffic entering or exiting a network.
Answer: A Layer 3 switch is basically a switch that can perform routing functions in addition to switching
Answer: VTP is a Cisco proprietary protocol used to manage VLAN configurations across a network of switches.
Answer: An Internet Protocol (IP) network uses the ping command to determine if a host is reachable and to. measure the round-trip time of messages sent from a source host to a destination host.
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Answer: ARP (Address Resolution Protocol) is used to map an IP address to a MAC address in a local network.
Answer: A MAC (Media Access Control) address is a unique identifier assigned to a network interface card (NIC) for communications at the data link layer of a network segment.
Answer: The traceroute command is used to trace the route that packets take to reach a destination, showing the IP addresses of routers along the way.
Answer: The 802.10 standard defines a protocol for carrying VLAN (Virtual Local Area Network) information over Ethernet networks.
Answer: The BGP protocol is a standardized exterior gateway protocol for exchanging routing and reachability information between autonomous systems (ASes).
Answer: DHCP snooping is a security feature that filters and regulates DHCP traffic within a network by monitoring and controlling the responses from DHCP servers.
Answer: The ARP cache is a table that maps IP addresses to MAC addresses in a local network. It is used to store ARP (Address Resolution Protocol) information.
Answer: NAT (Network Address Translation) and PAT (Port Address Translation) are used to map private IP addresses to a public IP address, allowing multiple devices to share a single public IP for internet access.
Answer: Subnetting is the process of dividing a larger network into smaller, more manageable sub-networks to improve performance and security.
Answer: VLAN trunking allows the transmission of VLAN information between switches, enabling devices on d ifferent switches to be part of the same VLAN.
Answer: The loopback address (127.0.0.1) is used to test the network interface of a device. It allows a device to send and receive data to itself for diagnostic purposes.
Answer: RSTP is an enhancement of the Spanning Tree Protocol (STP) that provides faster convergence in the event of network topology changes.
Answer: Ether Channel Combine bandwidth of multiple physical ports into a single logical Port known as a Port-channel The main purpose is to get more bandwidth and availability.
Answer: GRE (Generic Routing Encapsulation) tunnels are used to encapsulate a wide variety of network layer protocols into point-to-point connections.
Answer: An ACL is a set of rules used to filter network traffic and provide security by controlling access to network resources.
Answer: HSRP is a Cisco proprietary protocol that provides high network availability by allowing two or more routers to work together to represent a single IP address for a particular network.
Answer: A subnet mask is used to divide an IP address into network and host portions, allowing for the creation of sub-networks.
Answer: A broadcast storm occurs when a network is flooded with broadcast or multicast traffic, leading to network congestion and performance degradation.
Answer: Routing is a process of establishing the routes that data packets take on their way to the destination. itis a process of selecting a path across one or more networks to move a data packet from source to destination.
Answer: VTP is a Cisco proprietary protocol used to manage VLAN configurations across a network of switches, simplifying VLAN administration.
Answer: STP is a network protocol that prevents loops in Ethernet networks by blocking redundant paths, ensuring a loop-free topology.
Answer: NAT overload, also known as PAT (Port Address Translation), allows multiple devices in a private network to share a single public IP address by using different port numbers.
Answer: IPsec (Internet Protocol Security) is a suite of protocols used to secure Internet Protocol (IP) communications by authenticating and encrypting each IP packet within a communication session.
Answer: Subnetting is the process of dividing a larger network into smaller sub-networks to improve performance, security, and manageability.
Answer: VLAN pruning is a feature that allows a switch to dynamically prune or remove unnecessary VLANS from trunk links, reducing unnecessary traffic.
Answer: BGP is a standardized exterior gateway protocol used to exchange routing and reachability information between autonomous systems on the internet.
Answer: The OSI! model is a conceptual framework that standardizes the functions of a telecommunication or ‘computing system into seven abstraction layers, from physical to application.
Answer: EIGRP is a Cisco proprietary routing protocol used to exchange routing information between routers within an autonomous system, providing fast convergence and efficient use of bandwidth.
Answer: A default gateway is a router that is used when a device needs to communicate with a host on another network, serving as the exit point for traffic.
Answer: The TCP/IP model is a conceptual framework that standardizes the functions of a telecommunication or computing system into four abstraction layers, from link to application. itis the basis for the internet protocol suite.
Network Skillsets are in Demand with Attari Classes live instructor-led Training; you will get hands-on experience in skills like LAN, WAN, OSI Models, Switches, Routers, IP addressing, Subnetting, VLAN, VTP, STP, RSTP, Etherchannel, OSPF, EIGRP, ACL, NAT. Syslog, NTP, and much more, you will be able to understand networking concepts and you will be able to install, manage, and troubleshoot network devices. Attari Classes CCNA Training Course is designed to give you hands-on experience and prepare you for real-world scenarios.
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DATE
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SCHEDULE
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TIME
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4th APRIL
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MON & FRI (5 WEEKS)Upcoming Regular Batch
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8:30 PM to 10:30 PM (IST)
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21st FEBRUARY
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MON & FRI (5 WEEKS)Batch Started
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7:00 AM to 9:00 AM (IST)
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24*7
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Self Paced Learning Live
Recorded Lectures
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Online CCNA training : It almost feels like we are sitting in a class room. Zameer sir's teaching style is really awesome and different . And LMS is very unique feature which I've seen for the first time only in Attari classes where we can go through any lecture anywhere anytime. WORTH IT
I have joined online class for the first time and I'm highly impressed by the teaching methodology of the institute. I have recently completed my CCNA course online and I would like to thanks Mr Zameer Sir My experience in Attari classes. It was fantastic journey from 1st lecture to last lecture. Management of Attarri classes is very nice. I would like to say big thank you to Zameer Sir for sharing their knowledge Looking forward to gain knowledge on more courses with Attari Classes.
Finished my CCNA course yesterday and trust me, it was wonderful experience. In the beginning, i was not quite sure how the online training would go compare to well equipped training facility attari class has but you did not disappoint me. Trainer was great and explained things in very lucid language. I would highly recommend to join the class if you are looking for CCNA or VMware training.
ATTARI Classes is the best training center for CCNA, MCSE, VMWARE, AWS & Microsoft Azure on class room and as well as on Online classes . I did MCSE course Online here, the way of training is excellent and understanding also. There is so friendly communication in between trainer and us. They mostly focus on Hands on practical. During all lectures they clear each and every query by theory as well as practical. I take Online Trainning from Mr. Zameer Sir, he has excellent knowledge and experience also.
I had a wonderful experience learning CCNA and Azure from Zameer Sir . From my home comfort online during lockdown it was worthy investing these course with Attari classes and I would recommend all those people who wants to get good quality training go for Attari classes and big thanks to Zameer Sir who explains the course topics in details covering all points both for azure and CCNA and anyone from beginners to experienced person will be able to keep with his pace and he ensures that everyone understands it. Overall a great experience thanks to all .
I have joined MCSA/E and CCNA training at Attari Classes. Mr. Jameer is the excellent trainer to get hands on training on servers and networks. He is very known to teach all the concept in easy manner. Thanks sir and Thanks Attari classes.
Hi this is Mangesh Dabholkar I joined attari classes, For CCNA. Teaching is to good and well trained faculties and good study material, all Thanks to Zameer Sir
It was good experience to learn CCNA from zameer sir(attari classes), The zameer sir has a good knowledge and know how to teach and have a good flow over lectures.It was the best experience for me to learn from him
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