From 33613a85afc4b1481367fbe92a17ee59c240250b Mon Sep 17 00:00:00 2001 From: Sven Eisenhauer Date: Fri, 10 Nov 2023 15:11:48 +0100 Subject: add new repo --- Bachelor/CCNA4/en_CCNA4_v30/ch2/2_1_3/buttons.html | 109 ++++++++++++++ Bachelor/CCNA4/en_CCNA4_v30/ch2/2_1_3/content.html | 156 +++++++++++++++++++++ Bachelor/CCNA4/en_CCNA4_v30/ch2/2_1_3/index.html | 29 ++++ Bachelor/CCNA4/en_CCNA4_v30/ch2/2_1_3/media.html | 21 +++ 4 files changed, 315 insertions(+) create mode 100644 Bachelor/CCNA4/en_CCNA4_v30/ch2/2_1_3/buttons.html create mode 100644 Bachelor/CCNA4/en_CCNA4_v30/ch2/2_1_3/content.html create mode 100644 Bachelor/CCNA4/en_CCNA4_v30/ch2/2_1_3/index.html create mode 100644 Bachelor/CCNA4/en_CCNA4_v30/ch2/2_1_3/media.html (limited to 'Bachelor/CCNA4/en_CCNA4_v30/ch2/2_1_3') diff --git a/Bachelor/CCNA4/en_CCNA4_v30/ch2/2_1_3/buttons.html b/Bachelor/CCNA4/en_CCNA4_v30/ch2/2_1_3/buttons.html new file mode 100644 index 0000000..acddf46 --- /dev/null +++ b/Bachelor/CCNA4/en_CCNA4_v30/ch2/2_1_3/buttons.html @@ -0,0 +1,109 @@ + + + + + + + + + + + +New Page 1 + + + + + + + + + + + + + + + + + + + + + + + + +
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+ + 2.1 + WAN Technologies Overview 
  + 2.1.3 + WAN standards 
+ + + + + + +
+ + WANs use the OSI reference model, but focus + mainly on Layer 1 and Layer 2. WAN standards typically + describe both physical layer delivery methods and data link layer + requirements, including physical addressing, flow control, and encapsulation. + WAN standards are defined and managed by a number of recognized + authorities. +

+ The physical layer protocols describe how + to provide electrical, mechanical, operational, and functional + connections to the services provided by a communications service + provider. Some of the common physical layer standards are listed in + Figure + , and their + connectors illustrated in Figure + .

+

The data link layer protocols define how + data is encapsulated for transmission to remote sites, and the + mechanisms for transferring the resulting frames. A variety of + different technologies are used, such as ISDN, Frame Relay or + Asynchronous Transfer Mode (ATM). These + protocols use the same basic framing mechanism, high-level data link + control (HDLC), an ISO standard, or one of its sub-sets or variants. +

+ + + + + + +
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+ +
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+ + + + + +
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+ + + Interactive Media Activity

+ +

Crossword Puzzle: + WAN Standards

+

+ Upon completing this activity, the student + will be able to identify various WAN standards.

+ +

+
+
+ + +     + + + + +
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+ + + + + +
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+ + Web Links

+ + +

WAN

+ + http://www.cisco.com/en/US/tech/tk713/ + tech_topology_and_network_ serv_and_protocol_suite_ home.html

+ +

+

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