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CISCO AIDANA

Total questions: 52

Worksheet time: 26mins

Name
Class
Date
1.

The default subnet mask for the IP address is 198.133.219.4:

a)

<variant>255.255.255.255

b)

<variant>255.255.255.254

c)

<variant>255.255.0.0

d)

<variant>255.0.0.0

e)

<variant>255.255.255.0

2.

The characteristics of a group mailing list:

a)

routers will route group addresses between 224.0.0.0 and 224.0.0.255.

b)

one packet can be sent to a group of nodes.

c)

the group mailing source address ranges from 224.0.0.0 to 224.0.0.255.

d)

computers use multicast to request IPv4 addresses.

e)

group mailing messages convert low-level addresses to high-level addresses.

3.

> CSMA/CA is an access method, ...

a)

used in wireless technology to prevent collisions.

b)

used in wireless technology to avoid duplicate SSIDs.

c)

used in wired Ethernet technology to prevent collisions.

d)

used at the central level.

e)

 used in any technology with an excessive number of collisions.

4.

The transport layer ports in the range from 1 to 1023 are called:

a)

reserved

b)

private

c)

public

d)

source

e)

recipient

5.

Benefits of using fiber optic cable to connect devices:

a)

Fiber optic cable is typically used in small corporate and home networks.

b)

Fiber optic cable is easy to install.

c)

Fiber optic cable uses additional shielding to protect the copper wires.

d)

The fiber optic cable uses an RJ-45 connector.

e)

Fiber optic cable is resistant to electromagnetic and high frequency interference.

6.

The user wants to test the connection between node 3 and node 8 on the network. To check the connection, you can use the command:

a)

ipconfig

b)

>netstat

c)

ipconfig /all

d)

nslookup

e)

ping

7.

Functions of the upper layers of the OSI model

a)

initiating the process of transferring data over the network

b)

placement of electrical signals on a carrier for transmission

c)

encapsulating a data packet into a frame

d)

segmentation and identification of data for reassembly at destination

e)

selection of the appropriate route for data transmission over the network

8.

Functions of the upper layers of the OSI model

a)

placement of electrical signals on a carrier for transmission

b)

encryption and compression of data for transmission

c)

encapsulating a data packet into a frame

d)

segmentation and identification of data for reassembly at destination

e)

selection of the appropriate route for data transmission over the network

9.

The main switchboard usually contains elements

a)

fax machines

b)

equipment for teleconferencing

c)

copier

d)

racks with network equipment

10.

<question> The main switchboard usually contains the following items:

a)

copier

b)

equipment for teleconferencing

c)

user workstations

d)

point of presence

e)

fax machines

11.

Reasons for doing NAT

a)

to store registered public IP addresses

b)

so that public Internet users have access to local networks

c)

to reduce load and CPU usage in gateway routers

d)

to improve the efficiency of routing protocols

e)

to route private addresses on the public Internet

12.

Reasons for doing NAT

a)

to reduce load and CPU usage in gateway routers

b)

to route private addresses on the public Internet

c)

to improve the efficiency of routing protocols

d)

so that public Internet users have access to local networks

e)

o allow LANs with private addresses to participate in the Internet

13.

Using the show cdp neighbors command, you can get the following information about a neighbor device

a)

password to access privileged mode

b)

platform

c)

routing protocol.

d)

IP addresses of all interfaces

e)

password to access configuration mode

14.

Using the show cdp neighbors command, you can get the following information about a neighbor devicе

a)

password to access configuration mode

b)

routing protocol.

c)

connected neighbor interface

d)

password to access privileged mode

e)

IP addresses of all interfaces

15.

Using the show cdp neighbors command, you can get the following information about a neighbor device

a)

routing protocol.

b)

password to access configuration mode

c)

device ID

d)

IP addresses of all interfaces

e)

password to access privileged mode

16.

> HTTPS Specifications

a)

Supports authentication.

b)

Defines additional rules for passing data between the application layer and the data link layer.

c)

Allows more concurrent connections than HTTP .

d)

Open data transfer protocol.

e)

Uses a different client request-server response process than the process used by HTTP .

17.

> HTTPS Specifications

a)

Uses a different client request-server response process than the process used by HTTP .

b)

Open communication protocol

c)

Allows more concurrent connections than HTTP .

d)

Defines additional rules for passing data between the application layer and the data link layer.

e)

Encrypts SSL packets .

18.

HTTPS Specifications

a)

Defines additional rules for passing data between the application layer and the data link layer.

b)

Requires additional processing time on the server.

c)

Allows more concurrent connections than HTTP .

d)

Uses a different client request-server response process than the process used by HTTP .

e)

Open communication protocol

19.

Coincident TCP and UDP header fields

a)

priority indicator

b)

sequence number

c)

source port

d)

dialog box

e)

confirmation number

20.

Coincident TCP and UDP header fields

a)

sequence number

b)

dialog box

c)

priority indicator

d)

checksum

e)

confirmation number

21.

Coincident TCP and UDP header fields

a)

confirmation number

b)

sequence number

c)

dialog box

d)

priority pointer

e)

destination port

22.

An update type that allows client computers to register and update resource records with the DNS server in case of any changes

a)

local recursive query

b)

zonal transmission

c)

dynamic

d)

query root domain

e)

TLD query

23.

Description of classful IP addresses

a)

3 of the 5 address classes is reserved for multicast and experimental use.

b)

All subnets in a network are the same size.

c)

Reading the first bit allows you to determine the class to which the address belongs.

d)

Only Class A addresses have high bits of 100.

e)

The host portion of a class C address can be up to 24 bits.

24.

Only MAC address filtering is enabled on the access point. The "authenticity" of the client is considered established when

a)

The access point checks if the given MAC address is in the MAC address table and sends an acknowledgment message to the client

b)

Client provides the correct private key to the access point

c)

client sends MAC address to access point

d)

The access point sends the MAC address to the server and receives confirmation of the validity of this MAC address

e)

The client receives the MAC address from the access point, checks its correspondence in the routing-table, and sends an acknowledgment message to the access point

25.

The reason why IEEE 802.11 wireless technology allows data transmission over a longer distance than Bluetooth technology

a)

transmission is carried out at much lower frequencies

b)

transmission is carried out at much higher frequencies

c)

has a lower output power

d)

has a higher power output

e)

more advanced encryption methods are used

26.

A protocol that allows you to type “https :// mail. ru”  into the address bar instead of an IP address to open a web page

a)

HTTP

b)

HTML

c)

FTP

d)

DNS

e)

IM

27.

Abbreviation related to the use of telephone communication over the Internet

a)

VoIP

b)

IM

c)

HTML

d)

HTTP

e)

SNMP

28.

> An area of the network where traffic from other hosts can cause the sending host to stop sending data, after which the sending host waits an arbitrary amount of time before resending the message

a)

collision area

b)

access level

c)

broadcast domain

d)

peer-to-peer network

e)

distribution level

29.

The following types of encapsulations can be set by the administrator on the integrated router's serial interface:

a)

HDLC, DHCP, PAP

b)

Frame Relay, PPP, HDLC

c)

ATM, ICMP, DHCP

d)

CHAP, ATM, PPP

e)

PAP , PPP , ICMP

30.

Data is being transferred from the source PC to the destination server. The following statements correctly describe the function of TCP or UDP in this situation:

a)

The UDP destination port number identifies the application or service on the server that will process the data.

b)

TCP is the preferred protocol if the function requires minimal overhead.

c)

UDP is the protocol of choice if the function requires minimal overhead.

d)

The UDP destination port number identifies the transmitting node on the network.

e)

The TCP process running on the PC randomly chooses a destination port when establishing a session with the server

31.

Composite link properties in circuit-switched networks:

a)

Data is delivered to the subscriber with delays, but at a constant rate.

b)

Has a different non-fixed throughput throughout its entire length.

c)

The number of elementary channels changes throughout its length.

d)

Throughout its length it consists of a different number of elementary channels.

e)

The composite channel is created temporarily for the period of a communication session of two subscribers.

32.

Composite link properties in circuit-switched networks:

a)

Throughout its length it consists of a different number of elementary channels.

b)

Data is delivered to the subscriber with delays, but at a constant rate.

c)

Data is guaranteed to be delivered to the subscriber without delays, losses and at the same speed.

d)

The number of elementary channels changes throughout its length.

e)

Has a different non-fixed throughput throughout its entire length.

33.

Application layer protocol of the OSI model :

a)

TCP.

b)

RARP

c)

ARP.

d)

HTTP.

e)

DSL.

34.

Protocols applied level OSI Models :

a)

NOC , UDP .

b)

SMTP, POP3.

c)

ARP, SMTP.

d)

RARP, TCP

e)

DSL, POP3.

35.

The following three methods are used in social engineering:

a)

Pretexting, Televoting, Phishing

b)

Spaming, Televoting, Freshing

c)

Vishing, Teleporting, Refreshing

d)

Fishing, Vishing, Teleporting

e)

Phishing, Vishing, Pretexting

36.

The following command line utilities are most commonly used to diagnose problems at Layer 3 (central level):

a)

Packet sniffer, traceroute

b)

tftp, ipconfig, ping

c)

ping, ipconfig, traceroute

d)

route, Telnet, Packet sniffer

e)

arp - a, Telnet, ping

37.

Protocols describing methods that are used to protect user data in transit over the Internet:

a)

SMTP, DNS, FTP

b)

ICMP, HTTPS, DNS

c)

IPSEC, SSL, HTTPS

d)

SSL, HTTPS, ICMP

e)

TFTP , FTP , IPSEC

38.

The following applications can be used for in-band management:

a)

Telnet, HTTP, SNMP

b)

FTP, SNMP, NAT

c)

DNS, DHCP, TFTP

d)

HTTP, NAT, Telnet

e)

SNMP , DHCP , TFTP

39.

Packet switched computer-wide area networks are:

a)

Frame Relay , DTE , ISDN

b)

SLIP, Frame Relay

c)

ATM, DTE, HDLC

d)

SDH, Frame Relay, HDLC

e)

X.25, ATM, Frame Relay

40.

Characteristics of the quality of service of an Internet provider:

a)

Free Windows upgrade , free hardware replacement.

b)

Install special applications.

c)

Free hardware replacement, free antivirus updates.

d)

Connection speed, additional web space, and email profiles.

<variant>Install special applications.

e)

Install special applications, additional web space.

41.

A manufacturing company subscribes to some ISP hosting services. Hosting services include web hosting, data transfer and email. The following protocols represent these three key applications:

a)

TCP, SMTP, HTTP

b)

HTTP, FTP, SMTP

c)

UDP, DHCP, SNMP

d)

FTP, SMTP, SNMP

e)

DNS, HTTP, UDP

42.

In global networks with dedicated channels, the following protocols are used:

a)

SLIP, ISDN, DCE

b)

ATM, HDLC, DCE

c)

X.25, SLIP, ISDN

d)

PPP, SLIP, HDLC

e)

Frame Relay, HDLC

43.

Protocols used to process email:

a)

TML SMTP, FTP

b)

POP3, SMTP, IMAP4

c)

FTP, IMAP4, POP3

d)

HTTP, IMAP4, DNS

e)

DHCP SMTP, DNS

44.

Application layer protocol using UDP as transport protocol:

a)

ARP, IP, TFTP

b)

ICMP, IP, TFTP

c)

HTTP, SMTP, SNMP

d)

DNS, SMTP, IP

e)

SNMP, DNS, TFTP

45.

Modification Ethernet technologies:

a)

Token Ring technology.

b)

CSMA/CD technology.

c)

FDDI technology.

d)

PPP technology.

e)

A 10 Mbit variant of the IEEE 802.3 standard.

46.

Unique characteristics of the UDP protocol

a)

low overhead

b)

connection protocol

c)

full duplex operation

d)

flow control

e)

reliable data transmission

47.

Unique characteristics of the UDP protocol

a)

high overhead

b)

no flow control

c)

connection protocol

d)

full duplex operation

e)

reliable data transmission

48.

Unique characteristics of the UDP protocol

a)

full duplex operation

b)

connection protocol

c)

lack of error recovery procedure

d)

reliable data transmission

e)

recovering errors after a crash

49.

Transport Layer Services

a)

transfer bits

b)

flow control

c)

data encryption

d)

path definition

e)

packet encapsulation in a data frame

50.

In order to connect a router to an ISP network, to provide Internet access using a T1 link, a consumer company needs a device...

a)

NT1 device

b)

DSL router

c)

modem

d)

CSU/DSU device

e)

ISDN modem

51.

A network administrator wants to configure a Cisco 2960 switch to restrict access to each port to a single MAC address. This function will help solve this problem:

a)

access lists

b)

port security

c)

ICMP protocol

d)

CDP protocol

e)

flow control

52.

Assignment of the crypto key generate rsa command when configuring the switch to use SSH on virtual terminal connections

a)

display hosts connected via SSH

b)

disable hosts connected via SSH

c)

Generate a public/private key pair

d)

display active SSH ports on the switch

e)

access to SSH database configuration

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