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networking (2)
networking (2)
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Questions
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Answers
1
.
5
10
14
13
2
the following IP address 126.8.156.0 is from what class IP address
class B
class A
class D
class C
3
which OSI layer is responsible for format the data to be presented to the Upper layer
data link layer
transport layer
application layer
presentation layer
4
TCP is a connection-oriented protocol, whereas UDB is connectionless protocol
False
True
5
.
255.255.255.224
255.255.255.192
255.255.255.248
255.255.255.240
6
what is a group of hosts called that have identical bit patterns in the high order bits of their addresses
a radi
a network
an internet
an octet
7
what data is encapsulated, which is the correct order
segment, data, packet, frame, bit
data, segment, packet, frame, bit
data, segment, frame, packet, bit
data, frame, packet, segment, bit
8
what is the correct default mask for the following address 192.12.35.105
255.255.255.0
255.255.0.0
255.0.0.0
none of the above
9
.
Link local
private
global
auto-generated
10
which portion of the network layer address dose a router use to forward packets
host portion
gateway address
broadcast address
network portion
11
which of the following devise block broadcast message
router
switch
hubs
repeaters
12
in IPv6 address structure, how many bits are include in each field (Hextet)
16
4
24
128
13
DNS may use both TCP and UDB
True
False
14
which of the following functionality implemented by a transport layer in OSI model
a
d
c
b
15
.
172.16.0.0
172.16.192.128
172.16.192.0
172.16.192.160
16
which process do router use to determine the subnet network address based upon a given IP address and subnet mask
binary multiplication
binary division
binary ANDing
binary adding
17
which of the following methods provides dedicated communication channel between two stations
circuit switching
packet switching
dedicated switching
switch network
18
.
192.168.1.1
192.168.1.129
192.168.1.126
192.168.1.254
19
what is the primary reason for development of IPv6
expanded addressing capabilities
header format simplification
addressing simplification
security
20
what is the correct default mask for the following address 126.123.23.1
255.0.0.0
255.255.255.0
255.255.0.0
none of the above
21
what is the network address of the host 172.25.67.99/23 in binary
10101100.00011001.01000010.00000000
00101100.00011001.01000010.00000000
10101100.00011001.01010010.00000000
10101100.11011001.01000010.00000000
22
.
/27
/25
/24
/28
23
the following IP address 148.17.9.1 is from what class of IP address
class A
class D
class B
class E
24
which of the following protocol is used by a web browser to display a web page
SMTP
HTTP
FTP
IMAP4
25
what is the main reason the OSI model was created
So Cisco could use the model
to create a layer model larger than the DoD model
So different network could communicate
to allow formating of protocol at different layer
26
what is PDU
retransmitted packet due to lost communication
data reassembled at the destination
a layer specific encapsulation process
corruption of frame during transmission
27
which technique do router use to determine the best route for outgoing data packets
ARB tables
bridging table
switching table
routing tables
28
.
192.168.1.254
192.168.1.129
192.168.1.126
192.168.1.1
29
which statement about IPv6 addresses are true
IPv6 contains 64 bit
leading zeros are required
two colons :: are used to represent successive hexadecimal fields of zeros
two colons :: are used to separate fields
30
what subnet mask would a network administrator assign to a network address of 172.30.1.0 if it were possible up to 254
255.255.248.0
255.255.254.0
255.255.0.0
255.255.255.0
31
.
the default gateway is a broadcast address
the default gateway is on different subnet from the host
the host subnet mask is incorrect
the default gateway is a network address
32
what type of routing uses information that is manually entered into the routing table
standard
interior
dynamic
static
33
what is the correct default mask for the following address 149.12.35.105
none of the above
255.0.0.0
255.255.0.0
255.255.255.0
