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Shalnov [3]
2 years ago
12

ICMP

Computers and Technology
1 answer:
sp2606 [1]2 years ago
6 0

Answer:

(b) is used in Traceroute

(d) is used by Ping

Explanation:

ICMP is the short form of Internet Control Message Protocol. It is a protocol used by networking devices such as routers to perform network diagnostics and management. Since it is a messaging protocol, it is used for sending network error messages and operations information. A typical message could be;

i. Requested service is not available

ii. Host could not be reached

ICMP does not use ports. Rather it uses types and codes. Some of the most common types are <em>echo request</em> and <em>echo reply.</em>

<em />

Traceroute - which is a diagnostic tool - uses some messages available in ICMP (such as <em>Time Exceeded</em>) to trace a network route.

Ping - which is an administrative tool for identifying whether a host is reachable or not - also uses ICMP. The ping sends ICMP <em>echo request </em>packets to the host and then waits for an ICMP <em>echo reply</em> from the host.

ICMP is not required to solve NAT traversal problem neither does it have a new version in IPV6.

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3 years ago
Implement the function couple, which takes in two lists and returns a list that contains lists with i-th elements of two sequenc
In-s [12.5K]

Answer:

couple.py

def couple(s1,s2):

  newlist = []

  for i in range(len(s1)):

      newlist.append([s1[i],s2[i]])

  return newlist

s1=[1,2,3]

s2=[4,5,6]

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enum.py

def couple(s1,s2):

  newlist = []

  for i in range(len(s1)):

      newlist.append([s1[i],s2[i]])

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def enumerate(s,start=0):

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s=[6,1,'a']

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Explanation:

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3 years ago
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tia_tia [17]

Answer:

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The <dd> tag is used in HTML document to explain set of terms. The <dd> tag list is used in conjunction with the <dl> term. Inside a <dd> tag we can insert text, sentence, paragraph or links. There are 4 primary tags to build any website. Every HTML document begins and ends with HTML tag.

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