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CCNA 1 v7 Part 1 Flashcards | StudBud
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CCNA 1 v7 Part 1
CCNA 1 v7 Part 1
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4/14/2021
Flashcards
65 cards
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Practice quiz
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Questions
65
Answers
1
SGT VegaCruz is watching videos of his favorite show on Netflix. Video streaming uses UDP. Which protocols use UDP?
FTP: SMTP
HTTP; SMTP
DHCP; TFTP
UDP;SMTP
2
Which component of AAA determines what rights you have when accessing a folder?
authorization
authentication
automation
accounting
3
Which two traffic types use the Real-Time Transport Protocol (RTP)?
video; voice
file transfer; peer to peer
video; file transfer
web; peer to peer
4
A packet received by a server, has a destination port number of 69. What service is the client requesting?
DNS
TFTP
DHCP
SMTP
5
What is an advantage for small organizations of adopting IMAP instead of POP?
IMAP sends and retrieves email, but POP only retrieves email.
Messages are kept in the servers until they are deleted from the client.
POP only allows storage in a centralized way, IMAP allows distributed
POP servers keep messages for a short time but IMAP keeps them permanently
6
What are two common causes of signal degradation with UTP cabling?
improper termination; loss of light over long distances
loss of light over long distances; installing cables in conduit
low quality cable or connectors; improper termination
low quality shielding in cable; installing cables in conduit
7
Which switching method drops frames that fail the FCS check?
cut-through switching
borderless switching
ingress port buffering
store-and-forward switching
8
What does the term attenuation mean in data communication?
time for a signal to reach its destination
strengthening of s signal by a networking device
loss of signal strength as distance increases
leakage of signal strength as distance increases
9
When video transmission is prioritized on a network, what network characteristic is described?
Integrity
QoS
Security
Fault Tolerance
10
What is an advantage to using a protocol that is defined by an open standard?
An open standard protocol is not controlled or regulated by standards org.
The protocol can only be run on equipment from a specific vendor.
It encourages competition and promotes choices
A company can monopolize the market.
11
How will a device attain a MAC address of a remote device, if it has no ARP cache?
It will send the frame with a broadcast MAC address.
It will send a request to the DNS server for the destination MAC address.
It will send an ARP request for the MAC address of the default gateway.
It will send the frame and use its own MAC address as the destination.
12
What is the purpose of the "
transport input ssh
"
command?
The switch requires remote connections via a proprietary client softwa
The switch requires a username/password combination for local access.
Communication between the some of the devices
The switch requires a username/password combination for remote access.
13
Which scenario describes a function provided by the transport layer?
Ensures the correct web page is delivered to the correct browsers
When using VOIP, transport layer ensures the UID is used on the same LAN
Formats the screen so the web page appears properly
Movie and sound of a video is formatted by the transport layer
14
An employee of a large organization remotely logs onto company servers (VPN). What network characteristic is displayed?
Scalability
QoS
Security
Fault Tolerance
15
Physical damage to servers, routers, switches, cabling and workstations:
hardware threats
electrical threat
safety threat
maintenance threat
16
Poor handling of key electrical components, lack of critical spare parts, poor cabling and poor labeling is:
human threat
maintenance threat
insurgent threat
electrical threats
17
Host A needs to communicate with Host D but does not have a MAC address for R1 D/G. ______ will receive an ARP request
Host A, D and R1
Host E, D and R2
only host D
Host B, C and R1
18
Voltage spikes, insufficient supply voltage, total power loss is:
electrical threats
power loss threats
night life threats
tesla threats
19
What are two problems that can be caused by a large number of ARP request and reply messages? (Choose two.)
ARP may take too long to reply; Switches need to be configured w/ARP first
Large number of ARP request/reply can slow the Switch; ARP request is bcast
Switches become overloaded; ARP requests happen all at once
TCP/UDP do not work well with ARP; Switches cant handle a lot of traffic
20
Peer-to-peer networks include the following characteristics:
no dedicated server; client and server roles are set on a per session basis
devices can only function one role at a time; client and server role differ
background service is required; dedicated server is required
requires a specific interface; background service is required
21
What are proprietary protocols?
a collection of protocols known as the TCP/IP protocol suite
protocols that can be freely used by any organization or vendor
protocols developed by private organizations to operate on any hardware
developed by organizations who have control over their definition/operation
22
There are requirements defined by protocols used in network communications; Choose three.
message encoding; delivery options; message size
connector specifications; message encoding; message size
connector specifications; message size; media selection
end device installation; delivery options; message size
23
Which subnet would include the address 192.168.1.96 as a usable host address?
192.168.1.64/26
192.168.1.32/28
192.168.1.64/29
192.168.1.32/27
24
SPC deGuzman realizes her D/G is wrong. What will happen if the default gateway is configured incorrectly on a host?
The host will have to use ARP to get the correct gateway
Nothing
The host cannot communicate with hosts in other networks
The switch will not forward packets
25
Refer to the exhibit. If Host1 were to transfer a file to the server, what layers of the TCP/IP model would be used?
only application and Internet layers
application, transport, Internet, and network access layers
only application, Internet, and network access layers
only Internet and network access layers
26
Which information does the "
show startup-config"
command display?
the contents of the current running configuration file in the RAM
the IOS image copied into RAM
the contents of the saved configuration file in the NVRAM
the bootstrap program in the ROM
27
Which two protocols operate at the top layer of the TCP/IP protocol suite?
Ethernet; UDP
IP; TCP
UDP; POP
POP; DNS
28
What are two primary responsibilities of the Ethernet MAC sublayer?
error detection; logical addressing
frame delimiting; error detection
accessing the media; logical addressing
data encapsulation; accessing the media
29
How is the TTL used by a router to prevent a packet from traveling endlessly on a network?
Checks the TTL; if its 0 the packet is discarded
If the TTL value is 100 it discards the packets and sends Dest. Unreachable
Decrements the TTL field by 1; if the result is 0, it discards the packet
Increments the TTL field by 1; if its 100 it discards the packet if t
30
Which protocols use TCP?
FTP; HTTP; DHCP
DHCP; TFTP; FTP
FTP; HTTP; SMTP
SMTP; HTTP; TFTP
31
With a net add of 192.168.99.0/26, subnet across 4 networks. How many host add's are unused across all 4 nets?
72
158
224
200
32
Which value contained in an IPv4 header field, is decremented every time a router receives that packet?
Time-to-Live
Differentiated Services
Header Length
Fragment Offset
33
What does the
"ipv6-unicast routing"
command do in global configuration mode?
Each router interface generates an IPv6
It statically creates a GUA on this router
All router interfaces will be automatically activated
The IPv6 enabled interfaces begin sending ICMPv6 RA messages
34
Why did the administrator receive an error message?
The administrator must enter privileged EXEC mode to issue the command
The administrator must connect via the console port
They must use the entire command, configure terminal
The administrator is already in global configuration mode
35
How could you test whether or not a banner message is configured properly?
exit global configuration mode
power cycle the device
reboot the device
Exit privelege exec mode and press enter
36
Why would a layer 2 switch need an IP address?
to enable the switch to receive frames from attached PCs
to enable the switch to receive frames from attached PCs
to enable the switch to be managed remotely
to enable the switch to function as a default gateway
37
Which two statements are correct in a comparison of IPv4 packet header from IPv6 packet headers?
header checksum field stays the same; dest. add. field stays the same
Dest. Add. field is new in IPv6; Source Add. field is kept from IPv6
Source Add. field name is the same in both; TTL field is replaced in IPv6
the version fields are the same; TTL field stays the same
38
Refer to the exhibit. Which protocol was responsible for building the table that is shown?
DNS
ARP
ICMP
DHCP
39
Global routing prefix of an IPv6 address is the:
network portion of the address assigned by the provider
part of an IPv6 add used to identify the subnet
First 4 hextets of an IPv6 address
Equivalent to the host portion
40
When a switch is configured with a threshold, which switching method will the switch revert if its threshold is reached?
store-and-forward
fast-forward
cut-through
fragment-free
41
Temperature extremes or humidity extremes:
hardware threat
environmental threat
your mom's threat
humanware threat
42
Which two factors interfere with copper cabling resulting in signal distortion and data corruption?
crosstalk; extended length of cabling
EMI; signal attenuation
signal attenuation; RFI
EMI; RFI
43
What are two characteristics shared by TCP and UDP?
port numbering; use of checksum
connectionless communication; port numbering
use of checksum; 3-way handshake
ability to carry digitized voice; connectionless
44
What is the smallest network space that can be used to support 25 connected devices per subnet?
255.255.255.232
255.255.255.224
255.255.255.128
255.255.255.240
45
What is a function of the data link layer?
provides formatting of data
provides for the exchange of of frames over local media
provides delivery of data between two applicants
provides end-to-end delivery of data
46
This part of the IPv6 address is used by an organization to identify subnets:
Network ID
Subnet ID
global routing prefix
interface ID
47
SGT Drake configured this cable. What is wrong with this?
Type of connector is incorrect
The untwisted length of each wire is too long
Wires are too thick for the wires being used
The woven copper braid should not have been used
48
What is the range of link-local addresses in IPv6?
FE80:://10
FB40:
FECO::/10
FDE0:://10
49
What service is provided by HTTP?
A basic set of rules for exchanging data and different files on the web.
An application that allows real-time chatting among remote users.
Allows for data transfers between a client and a file server.
Uses encryption to secure the exchange of data the web
50
What are the two most effective ways to defend against malware?
Implement strong passwords.; Implement a VPN.
Implement RAID.; Implement a VPN.
Update the OS and other app software; Install/update antivirus software.
Implement network firewalls; Install and update antivirus software.
51
There was a disruption in the network. SFC Rhoades and SPC Dan were not aware. What characteristic was displayed?
Fault Tolerance
Powerline Networking
QoS
Security
52
SGT Rivera is troubleshooting his PC. What information is displayed in the output of "
show ip interface brief
"
command?
speed and duplex settings; interface descriptions
MAC addresses; IP Layers statuses
IP addresses; Layer 1 statuses
next hop addresses; IP addresses
53
Which frame field is created by nodes to ensure data signal has not been altered?
error correction process field
transport layer error check field
UDP field
FCS - Frame Check sequence field
54
Which wireless technology has low-power and data rate requirements making it popular in home automation applications?
LoRaWAN
ZigBee
5G
Wi-Fi
55
What service is the client requesting if it uses port 67?
SSH
Telnet
DHCP
FTP
56
Which three layers of the OSI model map to the application layer of the TCP/IP model?
data link; presentation; network
application; session; presentation
transport; application; session
network; session; presentation
57
IPv6 address portion equivalent to the host portion of an IPv4 address:
global routing prefix ID
subnet mask ID
default gateway ID
interface ID
58
What are two characteristics of IP?
operates independently of the media; guarantees delivery of packets
does not require end-to-end connection; reassembles data
does not require end-to-end connection; operates independently of the media
reassembles data; operates independently of the media
59
The MAC address of an IPv6 enabled interface is:
1C-6F-65-C2-BD-F8
. The EUI-64 process is used. Choose the IPv6 address.
C16F:65FF:FEC2:BDF8
106F:65FF:FEC2:BDF8
0C6F:65FF:FEC2:BDF8
1E6F:65FF:FEC2:BDF8
60
What must a client do after it receives an IPv6 address using the SLAAC process?
Send an ICMPv6 router solicitation message to request an IPv
Send an ICMPv6 ping to test connectivity before sending packets
Send an ICMPv6 Neighbor Solicitation message to avoid address duplication
send a DHCPv6 INFORMATION-REQUEST to attain an IPv6 address
61
Which type of server relies on record types such as A, NS, AAAA, and MX in order to provide services?
Web Server
FTP server
SMTP server
DNS server
62
After downloading Turtle Toss, SPC Rosario realized he had actually installed a Trojan horse. Describe a Trojan Horse?
attack that slow or crashes network services
stolen credentials to access private data
a network device that filters traffic
malicious software or code running on an end device
63
If PC1 is sending a packet to PC2, what will R1 do with the ethernet frame header attached by PC1.
remove Ethernet header; configure a new Layer 2 header; send it out S0/0/0
determine whether the data needs to be sent out of S0/0/0
nothing, because the router has a route the destination network
open the header and replace the MAC with a new one
64
What is the subnet associated with IPv6 address 2001:DA48:FC5:A4:3D1B::1/64?
2001:DA48::/64
2001::/64
2001:DA48:FC5::A4:/64
2001:DA48:FC5:A4::/64
65
What are three concerns when building a wireless network?
security; interference; coverage area
mobility options; coverage area; security
coverage area, packet collision; extensive cabling
coverage area; mobility; extensive cabling
