ICTN 2150 FINAL QUESTIONS WITH VERIFIED
ANSWERS
What is a characteristic of a fault tolerant network? - Answers - A Network that recovers
quickly when a failure occurs and depends on redundancy to limit the impact of a failure
Three bank employees...... What are the priorities from highest to lowest of the different
data types? - Answers - Audio conference, financial transactions, web page
What is a benefit of using cloud computing in networking - Answers - Network
capabilities are extended without requiring investment in new infrastructure, personnel,
or software
What is the function of the shell in an OS? - Answers - It interfaces between the users
and the kernel
Which connection provides a secure CLI session with encryption to a Cisco switch -
Answers - an SSH connection
SanJose(config)# ip address 192....... 255...... Why is it being rejected? - Answers - The
command is being entered from the wrong mode of operation
What is the purpose of Ctrl-Shift-6 - Answers - to interrupt the ping process
What password is needed to access user EXEC mode? - Answers - The one under line
console 0
What password is needed to acces privileged EXEC mode? - Answers - The second
password... Enable secret _______
On which switch interface would an administrator configure an IP address so that the
switch can be managed remotely - Answers - VLAN 1
What protocol is responsible for controlling the size of segments and the rate at which
segments are exchanged between a web client and web server - Answers - TCP
What is an advantage to using a protocol that is defined by an open standard - Answers
- It encourages competition and promotes choices
What are two benefits of using a layered network model? - Answers - It assists in
protocol design, it prevents technology in one layer from affecting other layers
Which two OSI model layers have the same functionality as two layers of the TCP/IP
model? - Answers - Network and transport
, Which name is assigned to the transport layer PDU - Answers - segment
What 3 factors could influence the differences in throughput? - Answers - The amount of
traffic, the type of traffic, the latency
What is a characteristic of UTP cabling - Answers - cancellation
What are two characteristics of fiber-optic cable - Answers - It is not affected by EMI or
RFI, it is more expensive that UTP cabling is
What is a characteristic of the LLC sublayer - Answers - It places information in the
frame allowing multiple layer 3 protocols to use the same network interface and media
Which topology provides high availability and connects some, but not all, remote sites -
Answers - Partial mesh
Which method is used to manage contention-based access on a wireless network -
Answers - CSMA/CA
What are three primary functions provided by layer 2 data encapsulation - Answers -
Data link layer addressing, detection of errors through CRC calculations, delimiting
groups of bits into frames
What will a host on an ethernet network o if it recieves a frame with a destination MAC
address that doesn't match its own? - Answers - It will discard the frame
Which frame forwarding method receives the entire frame and performs a CRC check to
detect errors before forwarding the frame? - Answers - Store and forward switching
What addresses are mapped by ARP - Answers - destination MAC address to a
destination IPv4 address
What are two services provided by the OSI network layer - Answers - routing packets
toward the destination, encapsulating PDUs from the transport layer
What are two functions of NVRAM - Answers - to retain contents when power is
removed, to store the startup config fiile
Three characteristics of multicast transmission - Answers - A single packet can be sent
to a group of hosts, Multicast can be used by routers to exchange routing information,
routers will not forward addresses in the range of 224.0.0.0 to 224.0.0.255
Three IP addresses that are for internal private use - Answers - 10.0.0.0/8
172.16.0.0/12 192.168.0.0/16
ANSWERS
What is a characteristic of a fault tolerant network? - Answers - A Network that recovers
quickly when a failure occurs and depends on redundancy to limit the impact of a failure
Three bank employees...... What are the priorities from highest to lowest of the different
data types? - Answers - Audio conference, financial transactions, web page
What is a benefit of using cloud computing in networking - Answers - Network
capabilities are extended without requiring investment in new infrastructure, personnel,
or software
What is the function of the shell in an OS? - Answers - It interfaces between the users
and the kernel
Which connection provides a secure CLI session with encryption to a Cisco switch -
Answers - an SSH connection
SanJose(config)# ip address 192....... 255...... Why is it being rejected? - Answers - The
command is being entered from the wrong mode of operation
What is the purpose of Ctrl-Shift-6 - Answers - to interrupt the ping process
What password is needed to access user EXEC mode? - Answers - The one under line
console 0
What password is needed to acces privileged EXEC mode? - Answers - The second
password... Enable secret _______
On which switch interface would an administrator configure an IP address so that the
switch can be managed remotely - Answers - VLAN 1
What protocol is responsible for controlling the size of segments and the rate at which
segments are exchanged between a web client and web server - Answers - TCP
What is an advantage to using a protocol that is defined by an open standard - Answers
- It encourages competition and promotes choices
What are two benefits of using a layered network model? - Answers - It assists in
protocol design, it prevents technology in one layer from affecting other layers
Which two OSI model layers have the same functionality as two layers of the TCP/IP
model? - Answers - Network and transport
, Which name is assigned to the transport layer PDU - Answers - segment
What 3 factors could influence the differences in throughput? - Answers - The amount of
traffic, the type of traffic, the latency
What is a characteristic of UTP cabling - Answers - cancellation
What are two characteristics of fiber-optic cable - Answers - It is not affected by EMI or
RFI, it is more expensive that UTP cabling is
What is a characteristic of the LLC sublayer - Answers - It places information in the
frame allowing multiple layer 3 protocols to use the same network interface and media
Which topology provides high availability and connects some, but not all, remote sites -
Answers - Partial mesh
Which method is used to manage contention-based access on a wireless network -
Answers - CSMA/CA
What are three primary functions provided by layer 2 data encapsulation - Answers -
Data link layer addressing, detection of errors through CRC calculations, delimiting
groups of bits into frames
What will a host on an ethernet network o if it recieves a frame with a destination MAC
address that doesn't match its own? - Answers - It will discard the frame
Which frame forwarding method receives the entire frame and performs a CRC check to
detect errors before forwarding the frame? - Answers - Store and forward switching
What addresses are mapped by ARP - Answers - destination MAC address to a
destination IPv4 address
What are two services provided by the OSI network layer - Answers - routing packets
toward the destination, encapsulating PDUs from the transport layer
What are two functions of NVRAM - Answers - to retain contents when power is
removed, to store the startup config fiile
Three characteristics of multicast transmission - Answers - A single packet can be sent
to a group of hosts, Multicast can be used by routers to exchange routing information,
routers will not forward addresses in the range of 224.0.0.0 to 224.0.0.255
Three IP addresses that are for internal private use - Answers - 10.0.0.0/8
172.16.0.0/12 192.168.0.0/16
