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WorksheetsLevel 4 Diploma in Network Principles
Total questions: 70
Worksheet time: 35mins
Which one of the following is the key feature of SAN?
It uses Fibre Channel for data transfer
It is a low-cost alternative to NAS
It uses wireless connectivity for data transfer
It is compatible with SOHO
Which one of the following cloud-based services only provides access to the physical resources required to host operating systems and applications?
IaaS
NaaS
PaaS
SaaS
Which one of the following methods is used to transfer large files between websites?
TFTP
NTFS
NFS
FTP
Which one of the following file systems enables storage and retrieval of data from multiple disks across a shared network using both Linux and Windows based OS?
NFS
DOS
NTFS
APFS
Which one of the following protocols facilitates communication between email servers?
IMAP
POP
SMTP
EGP
Which one of the following is the main reason for using the SSH protocol to connect to a remote terminal?
It allows guest logins.
It provides secure access
It acts as a gateway suite.
It provides time-sensitive data.
Which one of the following allows multiple instances of an OS to be run on a single device?
HyperThreads
Multiprocessing
HyperVisor
Multi queuing
Which one of the following technologies enables the clustering of multiple servers?
Grid computing
Intranet
Load balancing
Virtualisation
Which one of the following allows data processing with the minimum delay following a disaster?
Cold site
Warm site
Hot site
Spare site
Which one of the following best describes a metropolitan network?
A network covering an entire city
A network connecting different cities
A network made up of multiple WANs
A logical segmentation of a network
What is the difference between an adhoc wireless network and a managed wireless network?
Managed networks have faster data rates
Adhoc networks do not use access points
Adhoc networks are only used in emergencies.
Managed networks use different frequencies
Which one of the following is a disadvantage of a Powerline based network?
It cannot perform at speeds more than 80Mbs
It cannot be used to extend a wireless network
Each room must have its own access point.
Data rates are affected by noise in the circuit.
Which one of the following is the most likely cause of drop in download speed when accessing broadband via an ADSL connection?
Wireless interference
The cable is about to break.
The modem has not been set up correctly
Other users are downloading large files
Which one of the following technologies allows ad hoc device connections of up to 10 metres to transfer data?
RFC
Bluetooth
WiFi
WiMAX
In an Ethernet network, which one of the following devices uses IP addresses to calculate the next hop?
Firewall
Switch
NIC
Router
Which one of the following devices filters traffic based on the destination MAC address?
Router
Switch
Repeater
Hub
Which layer in the TCP/IP model carries out the same function as the Data Link layer of the OSI model?
Internet
Transport
Application
Network Access
Which one of the following protocols functions at the transport layer in both the OSI and TCP/IP models?
UDP
SMTP
OSPF
NetBIOS
At which layer of the OSI model does ICMP operate?
Application
Transport
Network
Physical
Which one of the following devices is used when creating VLANs?
Layer 2 switch
Bridge
Layer 3 switch
Gateway
Which layer does a bridge operate at?
Data Link
Network
Transport
Session
What is the main reason for implementing CIDR in an IPv4 addressing scheme?
To make more port addresses available
To make addressing secure using IPSec
To make more IP addresses available.
To translate between physical and logical addresses.
What is the main reason for an organisation to use Supernetting?
To enable interdomain gateways.
To segregate a defined area of a network.
To enhance the performance of RIP
To aggregate multiple addresses of the same class
For what are IPv4 Class D addresses reserved?
Unicast
APIPA
Multicast
Experimental use
What is the binary equivalent of the decimal number 80?
01010101
10101000
01010000
10101110
What is the decimal equivalent of the binary number 0101010?
26
32
40
42
What is the decimal equivalent of the hexadecimal value AF?
175
114
65
25
Which one of the following is a reason for allocating a static IP address to a router?
It has lower administrative overheads when configuring the router.
It allows the implementation of OSPF on the router
It allows secure access to the router terminal
It provides a default path to the router.
Which one of the following is the main benefit of implementing dynamic routing?
Decreased routing overheads.
Scalability of networks
Increased address pool
Guaranteed delivery of data
Which one of the following routing protocols is used to exchange routing and reachability information between autonomous systems?
BGP
EPG
IGRP
S-IS
An organisation needs to quickly set up a temporary office for its staff. Which method of connecting staff PCs to the network should be used?
Wireless LAN
Wired LAN
Powerline LAN
Bluetooth PAN
A 10 GB/s network is to install in a factory where there are many large electric machines that generate electromagnetic interference. Which type of cable should be selected?
UTP Cat5
UTP Cat6
STP Cat5
STP Cat6
An organisation wants to build a network with the highest level of redundancy. Which topology should the organisation choose?
Bus
Star
Mesh
Ring
At which layer of the TCP/IP 4 layer model does the DNS protocol operate?
Transport
Application
Internet
Network
What is the function of the network layer in the OSI 7 layer model?
Routing packets of data to the correct destination
Converting binary data into electrical signals
Breaking down large amounts of data into smaller segments
Maintaining dialog between source and destination applications
A Network Engineer wants a firewall to lock packets sent to a certain IP address while having the lowest impact on network performance. Which firewall feature will do this?
Stateful packet inspection
Packet filtering
Circuit level gateway
Application gateway
A user communicates with a mail server and needs all emails to remain on there until deleted. Which protocol does this by default?
SMTP
POP
IMAP
SNMP
A Network Engineer is setting up a networked system which must allow clients to print to printers attached to the server. Which protocol should be used?
FTP
SMB
ARP
DNS
Which of these is stored in a DNS AAAA record type?
IPv6 host address
Mail exchanger address
IPv4 host address
Domain name address
Which port does the POP protocol use?
25
80
110
10
A Network Engineer is developing a large network for a company with over 150 sites around the world and needs to accommodate one thousand host addresses at each site. What class of address should be used?
Class A
Class B
Class C
Class D
A Network Engineer is setting up a LAN using the address range 172.16.1.1 - 172.16.1.200. What is the correct subnet mask for this address range?
255.255.0.0
255.0.0.0
255.255.255.0
255.255.255.255
Convert the binary number 10110110 to decimal
118
174
182
214
Calculate how many available hosts per subnet a 192.168.10.0/27 address provides
10
27
30
14
Calculate the correct subnet mask for a 192.168.30.0/29 network
255.255.255.248
255.255.255.224
255.255.255.192
255.255.255.240
A Network Engineer wants to allow data to be sent between LANS whilst ensuring the minimum overheads are incurred. Which technique allows this?
Exterior gateways
Subnetting
Dynamic routing
Static routing
Which of these is a reason for using dynamic routing over static routing?
Better scalability
Higher level of security
Lower CPU requirement
Reduced bandwidth
A Network Engineer is configuring a network within an organisation which uses subnetting. What routing protocol should be used?
RIPv1
EIGRP
IGRP
BCGv4
A Network Engineer is configuring a network within an organisation which uses IPv6 addresses. Which routing protocol should be used?
BGPv4
RIPv2
EIGRPv1
OSPFv3
A Network Engineer is configuring a large internal network within an organisation with more than 15 routers between some of the networks. Which routing protocol should be used?
RIPv1
EIGRP
RIPv2
BGP
What is the decimal equivalent of 10101010?
156
170
192
200
Which of the following is the BEST description of a LAN?
A virtual private network
An encrypted internet connection
An unencrypted internet connection
A network over a small area
Which protocol is used to map IP addresses to physical MAC addresses?
CSMA/CD
Telnet
ARP
UDP
How do network clients use broadcasts to facilitate MAC to IP address mapping?
Broadcasts are used for all IP address
Broadcasts are not used for mapping
Broadcasts are used for uncached addresses
Broadcasts are used over WAN links
In a RIPv2 network, which algorithm does RIP use to calculate the BEST path
between networks?
Bellmann-Ford
Diffie-Hellman
DUAL
Dijkstra
A byte is a combination of how many bits?
4
6
8
32
A customer has a Class B address allocation of 134.104.0.0 and wishes to further divide this into 16 subnets for use across departments. What subnet mask should be used to achieve this?
138.172.0.16
255.255.16.0
255.255.240.0
255.255.255.16
Which dynamic routing protocol uses Dijkstra's algorithm to calculate the route between networks?
RIPv1
EIGRP
RIPv2
OSPF
Which of the following would BEST describe a MAN?
A local network used to connect Bluetooth devices
Many LANs connected to provide global networking
Many LANs connected in the same region
A local network used to connect wireless devices
What service is designed to assign IP addresses to nodes on a TCP/IP network during initialisation?
Telnet
PING
Netstat
DHCP
How does encapsulation facilitate data communication?
Embeds PDU from higher OSI layers into lower ones
Embeds PDU from lower OSI layers into higher ones.
Encrypts PDU from higher OSI layers into lower ones
Encrypts PDU from lower OSI layers into higher ones
What is the maximum decimal number that can be represented in 8 binary bits?
248
254
255
256
Why would dynamic routing be used?
To increase network resilience and reduce network administration
To reduce network loading by sharing traffic equally between routers
To reduce network administration by automatically storing the routing tables onto a single server
To allow the use of VPNs in networks where the number of spare IP addresses is limited
Which of the following are routing protocols?
OSPF and TCP
RIP and UDP
TCP and UDP
OSPF and RIP
Which port would be opened on a firewall to allow HTTP access to a web server?
25
53
80
88
A network engineer monitors the company network and notices a bottleneck on the VoIP switch. Which network characteristic is affected?
Quality of service
Default gateway
Security
DHCP
What media is used to access wireless devices from a wireless access point?
Infrared
Radio waves
Visible light
Copper cable
What is the network IP address of 172.16.150.1 if the subnet mask is 255.255.248.0?
172.16.140.0
172.16.144.0
172.16.148.0
172.16.150.0
What is the maximum number of hosts allowed on subnet 172.30.100.0/22?
258
510
522
1022
Which of the following is a characteristic of VLSM?
The same number of addresses is used in each subnet
It provides a more efficient use of addresses
The subnet mask is the same for each network
VLSM encourages wasted IP addresses on a network
