Font size
WorksheetsL1.5
Total questions: 50
Worksheet time: 2hrs 40mins
In the OSI, which layer is responsible for a reliable connection?
Transport layer
Application layer
Network layer
Session layer
Data Link layer
Given a binary subnet mask of 11111111.11111111.11111111.00000000.
What is the equivalent decimal value?
255.255.255.0
255.255.255.128
255.255.128.0
255.255.252.0
________ is the layer of the ISO Open Systems Interconnection (OSI) model that controls the dialogues (connections) between computers.
Transport layer
Application layer
Network layer
Session layer
Data link layer
_________ is a unique 48-bit hardware numbers of computers, which are embedded into a network card (known as Network Interface Card) during the time of manufacturing..
Network address
Broadcast address
Subnet mask
MAC address
DNS, HTTP, SSH, FTP are some examples of which OSI layer?
Transport layer
Application layer
Network layer
Session layer
Data link layer
In the OSI model, which layer is concerned with local delivery of frames between devices on the same LAN. Data-link frames, as these protocol data units are called, do not cross the boundaries of a local network.
Transport layer
Application layer
Network layer
Session layer
Data link layer
It uses a three-way handshake to establish a reliable connection.
IP
ICMP
TCP
UDP
In which OSI layer the term “Frames” is used?
Transport layer
Application layer
Data link layer
Session layer
______ is a special kind of static route that is used to route packets not found in the routing table.
Floating route
Default route
Connected network
Next hop
Convert 172.16.30.5 to binary
10101100.00010000 .00011110.00000111
10101100.00010000 .00011110.00000101
10101100.00010000 .00011100.00000101
10001100.00010000.00011110 .00000101
In which OSI layer the term “Packets” is used?
Transport layer
Network layer
Data link layer
Session layer
It is also known as a reliable protocol by using a three-way handshake before transmission takes place.
IP
UDP
ICMP
TCP
It is also known as unreliable protocol
TCP
UDP
ICMP
IGMP
______ is a switching protocol that prevents Layer 2 loops created by the redundant links?
Three-way handshake
Spanning Tree Protocol
VLAN Trunk
DHCP
In the process of electing the root bridge, the lowest Bridge ID becomes the root bridge.
True
False
The Bridge ID comprises of Priority and MAC address.
True
False
Which OSI layer manages device addressing, tracks location of devices on the network and determine the best way to move date between devices that are not locally attached.
Transport layer
Application layer
Network layer
Session layer
Data link layer
There are 5 different port states in STP: Listening, Learning, Forwarding. What are the other two?
Disabled
Enabled
Blocking
Dropping
____ is a group of devices on one or more logically segmented LANs.
Network
Subnet
VLAN
Frame
In which OSI layer the term “Segments” is used?
Transport layer
Network layer
Data link layer
Session layer
What are the 2 types of encapsulations on trunking?
802.11n
801.2P
802.1Q
Inter-Switch Link (ISL)
A broadcast domain is a collection of network devices that receive broadcast traffic from each other.
True
False
In this network topology, how many is your broadcast domain?
1
2
3
5
_________ is a 32-bit number that is used to identify the subnet of an IP address.
Network address
Broadcast address
Subnet mask
MAC address
182.0.0.0 belongs to which network class
Class A
Class B
Class C
Class D
127.0.0.0 network belongs to which network class?
Class A
Class B
Class C
Non of the above
Convert 255.255.248.0 to binary
11111110.11111111.11100000.00000000
11111111.11111111.11100000.00000000
11111111.11111111.11110000.00000000
11111111.11111111.11111000.00000000
Given a subnet mask of 255.255.248.0, what is the equivalent CIDR notation
/24
/23
/22
/21
How many hosts can you make out of a 10.10.10.0 255.255.255.0 subnet
256
254
252
250
How many usable hosts can you make out of a 10.10.10.0 255.255.255.0 subnet
256
254
252
250
Provide the broadcast address of 18.0.0.0 /25 subnet.
18.0.0.255
18.0.1.255
18.0.1.127
18.0.0.127
Given a subnet of 192.168.5.8 255.255.255.252, provide the first and last usable IP address.
192.168.5.9 1st host
192.168.5.10 last host
192.168.5.8 1st host
192.168.5.9 last host
192.168.5.9 1st host
192.168.5.11 last host
192.168.5.8 1st host
192.168.5.11 last host
Demonstrate the TCP 3-way handshake
Client sends a SYN
Server responds with a SYN-ACK
Client responds with an ACK
Client sends a SYN
Server responds with an ACK
Client responds with an ACK
Client sends a SYN
Server responds with an ACK
Client responds with an SYN-ACK
Client sends a SYN-ACK
Server responds with an ACK
Client responds with an SYN
______ is a communication protocol used for discovering physical addresses associated with a given network address
Network Address Translation (NAT)
Bridge Protocol Data Unit (BPDU)
Address Resolution Protocol (ARP)
Static routing protocol
Given a static route of 192.168.4.0 255.255.255.0 10.6.2.2.
What does the ip address 10.6.6.2 represent?
network gateway
destination ip address
next-hop ip address
source ip address
What does the passive-interface do?
Admin shutdown the interface
Denies routing table to be distributed between two routers
Disable routing to the specified interface
Suppresses the exchange of EIGRP hello packets between two routers
This value is used in routers to decide which routing protocol to use to reach a destination.
Administrative distance
Metric
Weight
Latency
Grouping of networks under single administrative domain or institution | Manage by one group of people/company
Network
Subnet
Autonomous System (AS)
Administrative distance
EIGRP has an administrative distance of
90
70
50
10
A static route has an administrative distance of
100
0
1
90
The EIGRP routing protocol utilize the following metrics: Bandwidth, Load, Delay, Reliability and Maximum Transmission Unit (MTU). By default, what are the two metrics does EIGRP uses?
Bandwidth and Load
Bandwidth and Delay
Bandwidth and Reliability
Delay and MTU
What are the correct eigrp configurations?
Choose 2
router eigrp 10
network 0.0.0.0
router eigrp 10
network 172.16.10.0
network eigrp A
network 10.0.0.0
network eigrp 2
network 10.10.0.1
Which of the following are NOT EIGRP packet types? Choose two.
Respond
Reply
Answer
Hello
Acknowledgement
What does Uptime represents?
the amount of time left before neighbor is considered in “down” status
amount of time since the adjacency was established
the average time between the transmission of a packet to a neighbor and the receipt of an acknowledgement
the time that the router waits for an acknowledgement of that unicast.
Your manager ask you to provide network addresses for 50 users for a newly established Sales department. Which of the following subnet will you recommend?
172.19.20.0 255.255.255.240
172.19.20.0 255.255.255.248
172.19.20.0 255.255.255.224
172.19.20.0 255.255.255.192
What is the Cisco IOS command that will show ONLY the dynamic routing protocols configured on your router?
show ip route
show ip protocols
show running-configuration
show ip interfaces
What are the 3 EIGRP tables?
Choose 3
Topology table
Neighbor table
Routing table
Static routing table
MAC Address table
Which of these network services works under the Application layer in the OSI model? Choose two.
Telnet
IP
ICMP
SSH
From R1, you would like to reach 2.2.2.2 on R2. What is the correct next-hop IP address on the following static route statement:
ip route 2.2.2.2 255.255.255.255 ___________
10.1.1.1
10.1.1.2
20.1.1.1
2.2.2.2
A small company network has six interconnected Layer 2 switches. Currently all switches are using the default bridge priority value. Which value can be used to configure the bridge priority of one of the switches to ensure that it becomes the root bridge in this design?
61440
34816
32768
28672
