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Cisco

Cisco Systems, Inc. is a major IT company, which produces networking equipment and network management solutions for both personal and commercial use. Questions about this company and its products belong here.

1,095 Questions

Characteristics of a Mac address?

Media Access Control address (MAC address) is a unique identifier assigned to most network adapters or network interface cards (NICs) by the manufacturer for identification, and used in the Media Access Control protocol sub-layer.

What is no shutdown in networking?

to active the cmd of we enter it the global configuratoion mode

What does the NVRAM in a Cisco switch store?

NVRAM is an acronym for Non-Volatile Random Access Memory. NVRAM is a type of Random Access Memory (RAM) that retains its information when power is turned off. The NVRAM is a small 24 pin DIP (Dual Inline Package) integrated circuit chip and is thus able to obtain the power needed to keep it running from the CMOS battery installed in your motherboard. It keeps track of various system parameters such as serial number, Ethernet MAC (Media Access Control) address, HOSTID, date of manufacture, etc. NVRAM is therefore a type of non-volatile memory that offers random access SYED OWAIS ALI{TECHNICAL SPECALIST}

What are the four steps of the router boot process?

The router boot process consists of four main steps:

  1. Power-On Self-Test (POST): The router performs hardware diagnostics to check the integrity of its components.
  2. Load Bootstrap Program: The router loads the bootstrap program from ROM, which initializes the hardware and prepares the system to load the operating system.
  3. Locate and Load the IOS: The router searches for the Cisco IOS (Internetwork Operating System) in the designated storage (typically flash memory) and loads it into RAM.
  4. Load Configuration File: Finally, the router looks for the startup configuration file in NVRAM to apply the saved settings and bring up the interfaces.

How do you give ip address in serial port?

To assign an IP address to a device connected via a serial port, you typically use a terminal emulation program (like PuTTY or Tera Term) to access the device's command-line interface. Once connected, you can enter configuration commands specific to the device's operating system, such as ip address [IP_ADDRESS] [SUBNET_MASK] in Cisco IOS. Be sure to save the configuration after making changes. The exact commands may vary depending on the device and its firmware.

In cisco Why should every switch have a MOTD banner?

A Message of the Day (MOTD) banner on Cisco switches serves several important purposes. It provides a way to communicate critical information to users, such as legal notices, maintenance schedules, or usage policies, ensuring that anyone accessing the switch is aware of essential guidelines. Additionally, the MOTD banner can enhance security by warning unauthorized users that their actions are being monitored. Overall, it promotes awareness and accountability among those interacting with the network equipment.

What is the functions of Transmission control protocol?

breaks large amounts of data into packets of a fixed size, transmits the packets over the Internet using the Internet protocol (IP), and sequentially numbers them to allow reassembly at the recipient's end.

What is line protocol is administratively down on a cisco router?

The message is something like "Serial 0/0 is up, line protocol is down". The first part refers to the physical connection (layer 1 of the OSI model), which works in this case; the second part refers to layer 2 of the OSI model (the serial networking protocol, like HDLC or PPP), which in this example doesn't work for some reason.

What is CISCO ACE?

CISCO ACE (Application Control Engine) is a hardware and software solution designed to optimize and manage application delivery and performance across networks. It functions as an application load balancer, providing features such as traffic distribution, SSL offloading, and application visibility. By enhancing scalability and reliability, CISCO ACE helps ensure efficient application performance in data centers and cloud environments. However, it's important to note that Cisco has phased out ACE in favor of newer technologies and solutions.

What must the network administrator do to remove Fast Ethernet port fa01 from VLAN 2 and assign it to VLAN 3?

To remove Fast Ethernet port fa01 from VLAN 2 and assign it to VLAN 3, the network administrator should first enter the interface configuration mode for the port by typing interface fa01. Then, the command switchport access vlan 3 should be executed to change the port's VLAN assignment. This action automatically removes the port from VLAN 2, as a port can only belong to one VLAN at a time in access mode. Finally, the changes can be saved with the write memory or copy running-config startup-config command.

Which two characteristics could the designer use to describe a peer-to-peer network?

What%20are%20two%20characteristics%20of%20peer-to-peer%20networks

its in peer-to-peer Networking and Applications


Peer to peer networks are easy to set up because they do not require any special devices to connect the nodes in the network. As a result, they are less expensive networks to create. They also do not require a network administrator to manage them.

What is the theme of The Cisco Kid?

The theme of "The Cisco Kid" revolves around the clash between justice and lawlessness, framed within the context of friendship and loyalty. The titular character, Cisco, embodies the ideals of a heroic outlaw who protects the innocent while navigating a corrupt society. The stories often highlight the importance of moral integrity and the complexities of right and wrong, showcasing the struggles faced by those who seek to do good in a flawed world. Ultimately, it reflects on the nature of heroism and the bonds formed through shared adventures and challenges.

What is the LED status in cisco 1700?

In a Cisco 1700 series router, the LED indicators provide important information about the device's status and operation. The LEDs typically indicate power, system status, and interface activity. A solid green light usually signifies normal operation, while amber may indicate a fault or issue. Understanding these LED statuses can help in troubleshooting connectivity and hardware problems.

Why must you use a console connection to initially configure the switch why not to the switch via telnet or ssh?

If you've got a new switch, all basic settings must be configured using a console cable. SSHing or telnetting to a switch is imposible without an IP address. Therefore you must first configure all the basic settings via console.

Who is responsible for ip in osi model?

In the OSI model, the Internet Protocol (IP) operates primarily at the Network layer, which is the third layer. This layer is responsible for routing packets of data across different networks and ensuring they reach their destination. The Network layer handles logical addressing, which is where IP addresses come into play, facilitating communication between devices on different networks. Additionally, protocols such as ICMP (Internet Control Message Protocol) also function at this layer to manage error handling and diagnostics.

Are multinational corporations devils in disguise?

The short answer is yes! Anyone or any entity that is not held accountable will always abuse power. Always has always been my experience in my life time. We Americans are guaranteed a form of government with true checks and balances, but the people we have trusted to operate those checks and balances have been traders to their people. When everything is for sale in every state capital and Washington then is seems like a natural consequence that bribes will enable an abuse of power unless there are real citizens who have some moral fiber to operate the checks and balances that are absolutely required for honest government to control antisocial corporations. Remember, power corrupts and absolute power corrupts absolutely!!!

What is displayed by the Cisco show version?

the following information will be displayed when show version command is issued in a cisco router :

  • IOS version

  • System uptime

  • Image filename

  • Type of processor

  • Amount of RAM

  • Number of ports

  • Amount of flash memory

  • Current configuration register

What kind of services does Cisco Webex offer for companies?

Cisco WebEx offers online meeting services, video conferencing apps, and web conferencing. WebEx has been known to offer collaborative services to business since 1996.

What is the Cisco network assistant?

Cisco Network Assistant is a piece of software available from Cisco Systems that helps network administrators to manage a combined wireless and wired network infrastructure. The system allows for servicing a wide range of Cisco hardware products like switches and routers and it is available for free.

I have cisco router 2801 connected to mpls using serial port ethernet port connected to LAN with NATing enable what will be the sample configuration?

MPLS is pretty complex, and the configuration will depend entirely on the device to which it's connected. Presumably, that's your ISP's router on the other end. They should tell you what configuration you need to use.