Answer / milind

Full form of RAID (Redundant Array of Independent Disks)
It is the way of storing the same data in different places
(thus, redundantly) on multiple hard disks.
RAID levels
RAID 0 (block-level striping without parity or mirroring)
RAID 1 (mirroring without parity or striping)
RAID 2 (bit-level striping with dedicated Hamming-code
parity)
RAID 3 (byte-level striping with dedicated parity)
RAID 4 (block-level striping with dedicated parity)
RAID 5 (block-level striping with distributed parity)
RAID 6 (block-level striping with double distributed parity)
============================================================
DNS, full form (Domain Name System)
It translates domain names meaningful to humans into the
numerical identifiers <IP> associated with networking
equipment for the purpose of locating and addressing these
devices worldwide.
============================================================
DHCP, full form (Dynamic Host Configuration Protocol)
It is automatic configuration protocol used on IP networks.
DHCP allows a computer to be configured automatically for
IP address.
============================================================
IP Classes
Every machine on the Internet­ has a unique identifying
number, called an IP Address.
Class 1st Octet Decimal Range
A 1 – 126*
B 128 – 191
C 192 – 223
D 224 – 239
E 240 – 254
============================================================
Protocols
A protocol is a special set of rules that enable
communication between two computers.
You may find protocol details on net.

Answer / vinod

dns means domain naming systems and dhcp means dynamic host
configuration protocol

Answer / imnoor

PROTOCOL :

"Protocol" usually refers to a set of rules that define an exact format for communication between systems. For example the HTTP protocol defines the format for communication between web browsers and web servers, the IMAP protocol defines the format for communication between IMAP email servers and clients, and the SSL protocol defines a format for encrypted communications over the Internet.

What does the receiving host do with packets when it is using a connection-oriented protocol ? a. acknowledges only the first and last packet, puts the packets in their proper order. b. acknowledges only the first and last packet, discards in any packet that have arrived out of sequence. c. acknowledges each packet and puts the packets in their proper order. d. acknowledges each packet and discards in any packet that have arrived out of order

1 Answers  

---

User Datagram Protocol (UDP) is __ and __ a. connectionless, stateless b. connection-orineted, stateless c. connection-oriented, stateful d. connectionless, stateful

0 Answers  

---

how to load a software in server

6 Answers   Accenture, EDS, HP, Mphasis, Wipro,

---

Define tracert?

0 Answers  

---

True or False: All network cards are 16 bit.

1 Answers  

---

How long is MAC address (bytes) ? How may bytes identifies the vendor? a. 8,2 b. 6,3 c. 8,4 d. 6,2

1 Answers  

---

What are the drawbacks of implementing a ring topology?

0 Answers  

---

Define data encapsulation?

0 Answers  

---

What device can be installed in your network to resolve a broadcast storm?

1 Answers  

---

What is looping and how switching loops are avoided at L2 level?

0 Answers   HCL,

---

how to configure ras in router 2600

1 Answers   Sysnet, Wipro,

---

Which file is used to identify and register the reserved port numbers, services, and protocols for the Internet. (well know ports)

1 Answers  

---