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stellarik [79]
3 years ago
11

Explain the purpose of QoS on a TCP/IP network. Define the basic purpose of IP prece- dence, Type of Service, Diffserv, and Expl

icit Congestion Notification functionality. Give examples of how you might use QoS characteristics on your network.
Computers and Technology
1 answer:
Alja [10]3 years ago
7 0

Answer:

Explanation:

1.The purpose of Quality of Service (QoS) is to scrutinize and control the data traffic on a network (LAN or WAN). It is an IP concept and uses tools that have existed since the early days of IP plus newer tools and protocols that are designed to aid the provision of defined predictable data transfer characteristics.

2.It defined a mechanism for assigning a priority to each IP packet as well as a mechanism to request specific treatment such as high throughput, high reliability or low latency. In practice, only the IP Precedence part of the field was ever used.IP Precedence. When the IP Precedence type of service is enabled and a device or application upstream of the switch sets the precedence bits in the ToS byte of IPv4 packet headers, the switch uses these precedence bits to determine the outbound port queue to which the packet is sent.

3.Differentiated services. ... Differentiated services or DiffServ is a computer networking architecture that specifies a simple and scalable mechanism for classifying and managing network traffic and providing quality of service (QoS) on modern IP networks.

4.The DiffServ framework is more scalable than IntServ because it handles flow aggregates and minimizes signaling, thus avoiding the complexity of per-flow soft states at each node.

5. DiffServ can, for example, be used to provide low-latency to critical network traffic such as voice or streaming media while providing simple best-effort service to non-critical services such as web traffic or file transfers.

DiffServ uses a 6-bit differentiated services code point (DSCP) in the 8-bit differentiated services field (DS field) in the IP header for packet classification purposes. The DS field replaces the outdated IPv4 TOS field.[1]

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The Knowledge Consistency Checker (KCC) ensures the maximum number of hops between any two domain controllers does not exceed wh
Katarina [22]

Answer:

Three (3)

Explanation:

Explanation of the three basic terms here - Knowledge consistency checker, hops and domain controller - will give a clearer answer and explanation to the question as follows;

<em>Domain controller</em> : is a server controller that gives access or controls to users on computer networks by first responding to their authentication requests and verifying those users. In other words, a domain controller is a network security manager.

<em>Hop</em> : A hop is simply the passage of data packets from one network to another. As  a packet moves from its source to destination, it moves from router to router. The number of such routers that the packet passes through is called a hop.

<em>The Knowledge Consistency Checker (KCC)</em> :  It is the job of the KCC to ensure that these domain controllers participate in the replication promptly and orderly. Replication means copying data from one location to another (within a network or among networks). The KCC ensures that the maximum number of hops permitted is does not exceed 3. i.e no domain controller is more than 3 hops from any other domain controller within a network.

Note: Replication is of two types - intrasite (among all domain controllers within a site) and intersite (among all domain controllers in different sites), and the KCC can manage both type of replication. Also, by default, at every 15 minutes interval, a domain controller generates a replication topology (a logical map that dictates the domain controllers that will replicate with each other).

<em>Hope this helps!</em>

3 0
3 years ago
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castortr0y [4]
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Serggg [28]

Answer:

The correct answer is option A

Explanation:

Solution

Recall that:

From the question stated,the following segments of code that should be used in replacing the /* missing code */ so that the value 20 will be printed is given below:

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a.setServoCount(y);

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The right option to be used here is A.

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pav-90 [236]

Answer:

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3 years ago
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