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TCP, the Transmission Control Protocol, is a layer-4 protocol (in the 7-layer OSI model).
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Which two statements describe Spanning Tree Protocol?
It is only used at Layer 2. It eliminates Layer 2 loops in network topologies.
Which security protocol is used in vpns and is a combination of microsofts point-to-point tunneling protocol and ciscos layer 2 fowarding?
L2tp
What protocol map ip addresses to layer 2 addresses?
ARP - Address Resolution ProtocolARP - Address Resolution ProtocolARP - Address Resolution ProtocolARP - Address Resolution Protocol
List five nonproprietary Internet applications and the application-layer protocols that they use?
1.application: e-mail application-layer protocol: SMTP [RFC 2821] 2.application: WEB application-layer protocol: HTTP [RFC 2616] 3.application: streaming multimedia application-layer protocol: HTTP (eg Youtobe), RTP [RFC 1889] 4.application:file transfer application-layer protocol: FTP [RFC 959] 5.application: remote terminal access application-layer protocol: Tenet [RFC 854]
Which two layers of the OSI model does a WAN operate?
According to Cisco Curriculum Semester 4 1.2.1.1 As described in relation to the OSI reference model, WAN operations focus primarily on Layer 1 and Layer 2. WAN access standards typically describe both Physical layer delivery methods and Data Link layer requirements, including physical addressing, flow control, and encapsulation.
What two ways can a unit of data be sent across a network?
1 tcp transmission control protocol 2 udp protocol
What protocol maps layer 2 to layer 3 addresses on the TCP IP network?
RARP (Reverse Address Resolution Protocol) maps layer 2 addresses to layer 3 addresses. ARP (Address Resolution Protocol) maps layer 3 addresses to layer 2 addresses.
Where does Ethernet protocol align in the osi model?
Ethernet is a data link layer protocol - layer 2
Which protocol can be used by Router1 to determine the IP address of Router2 when they are directly connected and only layer 2 connectivity exist between them?
Answer = ARPMeaning of ARP - "Address Resolution Protocol", is used to map IP Network addresses to the hardware (Media Access Control sub layer) addresses used by the data link protocol. The ARP protocol operates between the network layer and the data link layer in the Open System Interconnection (OSI) model.
What is cisco's vpn protocol that relies on on IPSec for all its security needs?
Layer 2 Tunneling Protocol (L2TP)
What is tcp or ip in e - commerce?
networks and the internet are governed by protocols. protocols are a set of rules that determine how two components communicate with one another over a network. types of protocols: TCP/IP (transmission control protocol/internet protocol) is the basic communication language or protocol of the internet.it is the common name for more than 100 protocols used to connect computers and networks. the actual name tcp/ip comes from 2 important protocols: -transmission control protocol -internet protocol
Which is an important factor when choosing a Layer 2 protocol?
-The geographic scope of the network -The physical layer implementation -The number of hosts to be interconnected
What are the two protocols used in the transport layer?
TCP and UDP Correct: UDP (User Data-gram Protocol) is a communications protocol that offers a limited amount of service when messages are exchanged between computers in a network that uses the Internet Protocol. UDP provides two services not provided by the IP layer. It provides port numbers to help distinguish different user requests and, optionally, a checksum capability to verify that the data arrived intact. TCP (Transmission Control Protocol) is a set of rules (protocol) used along with the Internet Protocol (IP) to send data in the form of message units between computers over the Internet. While IP takes care of handling the actual delivery of the data, TCP takes care of keeping track of the individual units of data (called packets) that a message is divided into for efficient routing through the Internet. (TCP/IP) is the know definition by most.
Which is a layer 2 protocol used to maintain a loop free network?
STP
Which two statements describe Spanning Tree Protocol?
It is only used at Layer 2. It eliminates Layer 2 loops in network topologies.
Does frame relay operate at layer 3 of the OSI model?
No. Frame Relay is not operating at Layer 3. Frame Relay is strictly a Layer 2 protocol suite, whereas X.25 provides services at Layer 3 (the network layer) as well. This enables Frame Relay to offer higher performance and greater transmission efficiency.
Which security protocol is used in vpns and is a combination of microsofts point-to-point tunneling protocol and ciscos layer 2 fowarding?
L2tp
