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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.

500 Questions

What the similarities of RIPv1 and RIPv2?

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Asked by Wiki User

first is both of them are havn same A.D. ie 120 as well as same vector and both supports till 15 hope counts.

Can you connect a router into a network that uses a switch?

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Asked by Wiki User

The answer is yes. If you need more information, please be more specific on what it is you're trying to do.

Yes. Generally you plug your internet connection into the router, then an ethernet wire from the router to the switch. More than likely, depending on what set-up you previously had, your going to have to change your tcp/ip settings. I could probably guess what set-up you have... but you'll have to be more specific before we can give more advice.

What three facts are true about the network portion of an IPv4 address?

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Asked by Wiki User

The IPv4 address is identical for all hosts in a broadcast domain.

The IPv4 addresse varies in length.

The IPv4 address is used to forward packets.

Where is the location of the Cisco Bootcamp?

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Asked by Wiki User

Locations of CISCO Training Schools, Colleges

What is a SOA record?

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Asked by Wiki User

A start of authority (SOA) record is information stored in a domain name system (DNS) zone about that zone and about other DNS records. A DNS zone is the part of a domain for which an individual DNS server is responsible. Each zone contains a single SOA record. SOA records are defined in IETF RFC 1035, What_is_SOA_records- Implementation and Specification.

Read more: What_is_SOA_records

Anil Bankey

What is the command to remove the console password router?

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Asked by Wiki User

Remove Console password

router>enable

router#configure terminal

router(config)#line console 0

router(config-line)#no login

router(config-line)#no password

router(config-line)#exit

router(config)#exit

Which statements correctly identify the role intermediary device in the network?

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Asked by Wiki User

Since there is no option given, we will just provide three statement that can identify the role of intermediary devices. Its three roles on the network are: determination of data pathways, data signal retiming and retransmitting, and data flow management.

Which routing protocol has the most trustworthy administrative distance by default?

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Asked by Wiki User

generally static routing protocol has the most trustworthy administrative distance .i.e; 1 and in dynamic routing protocols EIGRP has the best AD.

Cisco 1841 Router Price in Indian rupees?

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Asked by Wiki User

It's probably 26,000 - 27,000

What layer 4 protocol does RIP use?

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Asked by Wiki User

RIP uses UDP protocol with port number 520

Where might one go to purchase Cisco Linksys?

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Asked by Wiki User

Linksys VOIP adapters can be bought from a variety of stores, including online stores. Some places where this item can easily be found include Amazon and eBay.

What is a function of the console port on a router?

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Asked by Wiki User

To connect to a terminal for initial configuration

What kind of course takes a Cisco CCNA exam?

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Asked by Wiki User

The Cisco.com website lists all the classes and exams you need to take to get a CCNA certification. The beginning class begins with Interconnecting Cisco Networking Devices. If you have no previous networking experience, a CCNA certification will help you get in the door, but will do little else. Most industry professionals prefer experience over a CCNA.

Which connection provides a secure CLI session with encryption to a Cisco switch?

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Asked by Wiki User

To provide a secure CLI session with encryption to a Cisco switch an SSH or Secure Shell connection will be required as this uses a cryptographic network protocol that provides secure data communication.

What is a cisco switch?

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Asked by Surfngairl

A Cisco switch is a piece of network hardware which has been manufactured by Cisco Systems. Usually Cisco switches are 'managed' switches, which means they can be accessed via the network and configured to perform advanced features such as VLANs, DHCP and routing. They are typically more expensive than a standard network switch and can cost up to tens of thousands of dollars.

What is vlan?

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Asked by Wiki User

VLAN is Virtual Local area network and it is a group of hosts with a common set of requirements that communicate as if they were attached to the same broadcast domain, regardless of their physical location. VLANs are configured through software rather than hardware, which makes them extremely flexible.

Full form of cisco?

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Asked by Wiki User

Wikipedia: Cisco Systems, Inc. (NASDAQ: CSCO, SEHK: 4333) is a multinational corporation headquartered in San Jose, California, that designs and sells consumer electronics, networking, voice, and communications technology and services. Cisco has more than 70,000 employees and annual revenue of US$ 40.0 billion as of 2010. The stock was added to the Dow Jones Industrial Average on June 8, 2009, and is also included in the S&P 500 Index, the Russell 1000 Index, NASDAQ 100 Index and the Russell 1000 Growth Stock Index.

Which of the following commands sets the secret password to Cisco?

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Asked by Wiki User

In the global configuration mode, type enable secret <password of preference>

See below example:

Router>enable

Router#configure terminal

Enter configuration commands, one per line. End with CNTL/Z.

Router(config)#enable secret password

Router(config)#exit

Router#

Is the computer a data terminal equipment?

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Asked by Wiki User

Data Terminal Equipment (DTE)

A Data Terminal Equipment (DTE) is a communication device that is the source or destination of signals on a network, typically a terminal or a computer. It communicaties with the data circuit-terminating equipment and can perform all the required functions necessary to permit users to communicate.

When the destination network is not listed in the routing table of a cisco router what two possible actions the router might take?

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Asked by Wiki User

The router discards the packet.

The router forwards the packet out the interface indicated by the default route entry.

What is port security in cisco?

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Asked by Wiki User

port security is a CLI command used to restrict access to a network from a cisco switch by allowing access only to the hosts whose MAC addresses are defined in the switch. except the allowed hosts remaining hosts will be blocked based on the violation mode chosen.

Which encapsulates segment into packets?

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Asked by Wiki User

TRANSPORT LAYER

The transport layer ensures that messages are delivered error-free, in sequence, and with no losses or duplications. It relieves the higher layer protocols from any concern with the transfer of data between them and their peers.

The size and complexity of a transport protocol depends on the type of service it can get from the network layer. For a reliable network layer with virtual circuit capability, a minimal transport layer is required. If the network layer is unreliable and/or only supports datagrams, the transport protocol should include extensive error detection and recovery.

The transport layer provides:

  • Message segmentation: accepts a message from the (session) layer above it, splits the message into smaller units (if not already small enough), and passes the smaller units down to the network layer. The transport layer at the destination station reassembles the message.
  • Message acknowledgment: provides reliable end-to-end message delivery with acknowledgments.
  • Message traffic control: tells the transmitting station to "back-off" when no message buffers are available.
  • Session multiplexing: multiplexes several message streams, or sessions onto one logical link and keeps track of which messages belong to which sessions (see session layer).

Typically, the transport layer can accept relatively large messages, but there are strict message size limits imposed by the network (or lower) layer. Consequently, the transport layer must break up the messages into smaller units, or frames, prepending a header to each frame.

The transport layer header information must then include control information, such as message start and message end flags, to enable the transport layer on the other end to recognize message boundaries. In addition, if the lower layers do not maintain sequence, the transport header must contain sequence information to enable the transport layer on the receiving end to get the pieces back together in the right order before handing the received message up to the layer above.
Network Layer