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WorksheetsSelected_CCNA_Topics_Quiz
Total questions: 55
Worksheet time: 28mins
Name
Class
Date
1.
What is the purpose of a default route in a network
a)
To route all traffic to a specific network
b)
To provide a path for packets when there is no specific entry in the routing table for the destination IP address
c)
To prevent certain traffic from reaching a specific network
d)
To direct all traffic through a specific gateway
2.
Which layer of the OSI model is responsible for end-to-end communication and error checking
a)
Network
b)
Transport
c)
Data Link
d)
Session
3.
What is the main difference between single-mode fiber and multimode fiber
a)
The type of data they can carry
b)
The distance they can transmit data over
c)
The number of transmission modes they support
d)
The type of connectors they use
4.
In a Cisco router which command is used to configure a static route
a)
route add
b)
ip route
c)
static route
d)
route set
5.
What is a collision in the context of a network
a)
When two nodes try to transmit at the same time
b)
When a packet is dropped due to a full buffer
c)
When two packets arrive at a destination at the same time
d)
When a node receives two packets with the same sequence number
6.
What is the main difference between TCP and UDP
a)
TCP is connection-oriented UDP is connectionless
b)
TCP is faster than UDP
c)
UDP supports error checking TCP does not
d)
TCP is used for data transmission UDP for control messages
7.
What is the purpose of subnetting in an IPv4 network
a)
To divide an IP address space into smaller networks
b)
To increase the speed of data transmission
c)
To increase the security of the network
d)
To simplify the configuration of the network
8.
What is the main reason for using private IPv4 addresses
a)
To ensure that devices on the network can communicate with the internet
b)
To prevent IP address conflicts
c)
To save public IP addresses
d)
To increase the security of the network
9.
What is the main difference between public and private IPv4 addresses
a)
Public addresses can be routed on the internet private addresses cannot
b)
Public addresses are assigned by the network administrator private addresses are assigned automatically
c)
Public addresses are used for internal network communication private addresses for external communication
d)
Public addresses require a subnet mask private addresses do not
10.
What is the main difference between RIP and EIGRP
a)
RIP is a distance-vector protocol EIGRP is a link-state protocol
b)
RIP supports only IPv4 EIGRP supports both IPv4 and IPv6
c)
RIP uses hop count as a metric EIGRP uses bandwidth and delay
d)
RIP is a Cisco-proprietary protocol EIGRP is an open standard
11.
What is the administrative distance of a static route with a configured next hop IP address on a Cisco router
a)
0
b)
1
c)
100
d)
255
12.
Which layer of the OSI model is responsible for establishing managing and terminating connections between applications
a)
Network
b)
Transport
c)
Data Link
d)
Session
13.
Which physical interface type is most commonly used for short-distance high-speed connections
a)
Single-mode fiber
b)
Multimode fiber
c)
Copper
d)
Coaxial
14.
Which type of media connection allows multiple devices to share the bandwidth
a)
Ethernet shared media
b)
Point-to-point
c)
Serial
d)
Multipoint
15.
What is the most common cause of collisions in an Ethernet network
a)
A device transmits while the media is busy
b)
Mismatched duplex settings
c)
Mismatched speed settings
d)
Cable length exceeding maximum specifications
16.
Which protocol is more efficient for transmitting streaming media
a)
TCP
b)
UDP
c)
ICMP
d)
IGMP
17.
What is the CIDR notation for a subnet mask of 255.255.255.0
a)
/8
b)
/16
c)
/24
d)
/32
18.
Which of the following is a private IPv4 address
a)
172.16.0.1
b)
192.168.255.255
c)
10.0.0.1
d)
All of the above
19.
Which range of IPv4 addresses is reserved for private networks
a)
10.0.0.0 to 10.255.255.255
b)
172.16.0.0 to 172.31.255.255
c)
192.168.0.0 to 192.168.255.255
d)
All of the above
20.
Which routing protocol is considered a hybrid of distance-vector and link-state protocols
a)
RIP
b)
OSPF
c)
EIGRP
d)
BGP
21.
Which OSI layer is responsible for converting data packets into electrical signals
a)
Physical
b)
Data Link
c)
Network
d)
Transport
22.
Which type of cabling is most susceptible to electromagnetic interference
a)
Single-mode fiber
b)
Multimode fiber
c)
Copper
d)
All are equally susceptible
23.
Which connection type is most commonly used in WAN topologies
a)
Ethernet shared media
b)
Point-to-point
c)
Multipoint
d)
Broadcast
24.
What is the most common cause of mismatched duplex settings in an Ethernet network
a)
Auto-negotiation failure
b)
Cable length exceeding maximum specifications
c)
Use of different cable types
d)
Use of incorrect IP addressing
25.
Which protocol provides connection-oriented reliable data delivery
a)
TCP
b)
UDP
c)
ICMP
d)
IGMP
26.
What is the subnet mask in CIDR notation for a network with 512 hosts
a)
/23
b)
/24
c)
/25
d)
/26
27.
Which of the following is a reason for using private IPv4 addressing
a)
To conserve public IP address space
b)
To ensure unique IP addresses within a network
c)
To allow communication with the internet
d)
To prevent IP address conflicts within a network
28.
Which type of IPv4 address can be routed over the internet
a)
Public
b)
Private
c)
Both public and private
d)
Neither public nor private
29.
Which routing protocol uses hop count as its only metric
a)
RIP
b)
OSPF
c)
EIGRP
d)
IS-IS
30.
Which routing protocol is Cisco proprietary
a)
RIP
b)
OSPF
c)
EIGRP
d)
BGP
31.
What is the maximum hop count for RIP
a)
15
b)
16
c)
100
d)
Unlimited
32.
Which layer of the OSI model would a MAC address be associated with
a)
Physical
b)
Data Link
c)
Network
d)
Transport
33.
Which type of cabling has the longest distance limitation
a)
Single-mode fiber
b)
Multimode fiber
c)
Copper
d)
Coaxial
34.
Which type of connection would you use for a direct connection between two devices
a)
Ethernet shared media
b)
Point-to-point
c)
Multipoint
d)
Broadcast
35.
Which issue could cause errors on an interface
a)
Mismatched speed settings
b)
Mismatched duplex settings
c)
Cable length exceeding maximum specifications
d)
All of the above
36.
Which protocol is considered connectionless
a)
TCP
b)
UDP
c)
ICMP
d)
Both b and c
37.
What is the network address for the IP address 192.168.1.105/24
a)
192.168.1.0
b)
192.168.1.100
c)
192.168.1.1
d)
192.168.1.255
38.
Why might an organization use private IPv4 addresses for its internal hosts
a)
To enable internet connectivity
b)
To conserve public IP address space
c)
To prevent external access to the hosts
d)
Both b and c
39.
What is the range of the Class B private IPv4 addresses
a)
10.0.0.0 - 10.255.255.255
b)
172.16.0.0 - 172.31.255.255
c)
192.168.0.0 - 192.168.255.255
d)
169.254.0.0 - 169.254.255.255
40.
Which routing protocol uses autonomous systems
a)
RIP
b)
OSPF
c)
EIGRP
d)
BGP
41.
Which protocol has the highest default administrative distance
a)
RIP
b)
OSPF
c)
EIGRP
d)
BGP
42.
Which OSI layer is responsible for providing reliable transport
a)
Transport
b)
Network
c)
Data Link
d)
Physical
43.
Which cable type has the shortest distance limitation
a)
Single-mode fiber
b)
Multimode fiber
c)
Copper
d)
Coaxial
44.
Which type of connection uses a hub in a legacy Ethernet network
a)
Ethernet shared media
b)
Point-to-point
c)
Multipoint
d)
Broadcast
45.
What causes a late collision in an Ethernet network
a)
A device transmits when the media is busy
b)
Mismatched duplex settings
c)
Cable length exceeding maximum specifications
d)
All of the above
46.
Which protocol guarantees data delivery by providing error checking and recovery
a)
TCP
b)
UDP
c)
ICMP
d)
IGMP
47.
What is the broadcast address for the network 172.16.4.0/24
a)
172.16.4.0
b)
172.16.4.100
c)
172.16.4.255
d)
172.16.4.1
48.
What is the first valid host on the subnetwork 192.168.1.64/26
a)
192.168.1.64
b)
192.168.1.65
c)
192.168.1.66
d)
192.168.1.67
49.
What is the maximum number of subnets that can be created from a class C network using a /26 subnet mask
a)
2
b)
4
c)
6
d)
8
50.
What is the default subnet mask for a Class B IP address
a)
255.0.0.0
b)
255.255.0.0
c)
255.255.255.0
d)
255.255.255.255
51.
Which type of cable would you use to connect a PC's Ethernet port to a switch
a)
Straight-through
b)
Crossover
c)
Roll-over
d)
Console
52.
What command would you use to view the routing table on a Cisco router
a)
show ip route
b)
display ip route
c)
view ip route
d)
inspect ip route
53.
What is the default administrative distance of an EIGRP route
a)
90
b)
100
c)
110
d)
120
54.
Which OSI layer is responsible for end-to-end connection and reliability
a)
Physical
b)
Network
c)
Transport
d)
Application
55.
What happens when the TTL value of an IP packet reaches zero
a)
The packet is returned to the sender
b)
The packet is forwarded to the default gateway
c)
The packet is dropped
d)
The packet is rerouted
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