Answer Posted / jitendera kumar sinha

protocol port number

ftp data 20

ftp program 21

telnet 23

dns 53

nntp 119

smtp 25

What is de-encapsulation?

1199

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What is default packet size of ipv6?

1243

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What are 10base2, 10base5 and 10baset ethernet lans?

1132

---

Which protocol comes under hybrid dynamic type?

1158

---

Frame relay technology works on which layer of osi model?

1290

---

What is the mau?

1093

---

Define network congestion?

1086

---

What route entry will be assigned to dead or invalid route in case of RIP?

1553

---

What causes a triggered update to reset the router hold-down timer?

1264

---

Which company mange ip's?

1157

---

What are the three sources of signal degradation on a data link?

1347

---

In which protocol you manually enable route summarization?

1276

---

When we use extended access-list?

1137

---

Differentiate full-duplex from half-duplex.

1165

---

What is syntax of ipv4?

1316

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