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comptia network Flashcards

1
Q

Which of the following protocols runs on TCP port 445?

A

SMB/CIFS

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2
Q

LDAP port

A

TCP port 389

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3
Q

SIP (Session Initiation Protocol) ports

A

-TCP port 5060
-TCP port 5061

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4
Q

A network technician uses Remote Desktop Protocol (RDP) client on their Windows OS to remotely troubleshoot a problem on another Windows machine. Which of the following ports needs to be opened for the built-in Windows RDP server to allow this type of network connection?

A

TCP port 3389

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5
Q

A network administrator wants to secure the existing access to a directory service with SSL/TLS encryption. Which of the following TCP ports needs to be opened to implement this change?

A

636

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6
Q

An SNMP Agent receives requests on UDP port:

A

161

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7
Q

An SNMP management station receives SNMP notifications from Agents on UDP port:

A

162

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8
Q

IMAP (Internet Message Access Protocol) port

A

162

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9
Q

IMAP (Internet Message Access Protocol) port

A

TCP port 143

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10
Q

Which of the following ports is used by syslog?

A

514

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11
Q

HTTPS port

A

TCP port 443

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12
Q

NTP (Network Time Protocol) UDP port:

A

123

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13
Q

Post Office Protocol v3 (POP3) uses:

A

TCP port 110

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14
Q

HTTP (Hypertext Transfer Protocol) port

A

TCP port 80

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15
Q

SMTP TLS

A

587

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16
Q

What are the characteristic features of the secure version of IMAP?

A

-SSL (Secure Sockets Layer)
-TCP port 993
-TLS (Transport Layer Security)

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17
Q

refers to the POP3S encrypted communication:

A

-SSL (Security Sockets Layer)
-TCP port 995
-TLS (Transport Layer Security)

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18
Q

SQL (Microsoft Structured Query Language)

A

1433

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19
Q

SQLnet

A

1521

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20
Q

MySQL database system

A

3306

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21
Q

Which port enables the FTP’s Data Connection for sending file data?

A

TCP port 20

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22
Q

The FTP’s Control Connection for administering a session is established through:

A

TCP port 21

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23
Q

SSH protocol runs on:

A

TCP port 22

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24
Q

Secure File Transfer Protocol (SFTP) is an extension to the Secure Shell (SSH) protocol and runs on:

A

TCP port 22

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25
Telnet
23
26
SMTP
TCP port 25
27
DNS (Domain Name System)
53
28
DHCP (Dynamic Host Configuration Protocol
-UDP port 67 -UDP port 68
29
TFTP
UDP port 69
30
function of the link local address of IPv6 (fe80::10)
they are used for the local access on a network and are unrouteable
31
SMB (server message block)
network protocol used for file and printer sharing among devices
32
characteristics of the core layer in a three tiered networking model
it is designed for high availability and focuses on routing and switching of the entire network
33
key function of a primary DNS server
it hosts a domains zone file [when the primary zone is hosted on the DNS server, the DNS server is considered the primary DNS server for that particular zone]
34
IaaS model of cloud computing
(Infrastructure as a Service) allows customers to use the providers infrastructure of compute, network, and storage
35
what is the difference between Dynamic Network Address Translation (DNAT) and static NAT?
DNAT dynamically maps an IP address from a pool to the inside local IP address
36
Local Connector (LC)
resembles an RJ- style connector, is small in size, and is commonly found on MMF and SMF optic cables
36
what does the Start of Authority (SOA) record in a DNS zone do?
it keeps records up to date on the secondary DNS servers
37
what does a spine-leaf network architecture restrict in terms of direct connections
-the spine switches cannot be directly connected to one another -the leaf switches cannot be directly connected to one another -hosts (servers) cannot be directly connected to the spine
38
what is the primary benefit of utilizing SMTP TLS
(Simple Mail Transfer Protocol) operating over (Transport Layer Security) ensures that all mail is encrypted in transit
39
define (SaaS) Software as a Service in the context of cloud computing
it is any application that you use but do not own or maintain, provided and maintained by the service provider on its cloud
40
what is the IEEE definition of 10GbaseLR
it is defined by IEEE as 802.3ae and uses single mode fiber with a maximum distance of 10 kilometers
41
what does Encapsulating Security Payload (ESP) in the IPSec protocol suit do?
EPS encrypts the payload using either a shared key or a private and public keypair
42
which protocol is responsible for the Neighbor Discover Protocol (NDP) in IPv6?
ICMP in IPv6 is responsible for the Neighbor Discovery Protocol (NDP), which is the equivalent of the Address Resolution Protocol (ARP) in IPv4.
43
primary function of a 66 block in a telephone system
to supply a plain old telephone service (POTS) line access to a business or apartment building
44
define (DWDM)
Dense Wavelength Division Multiplexing (DWDM) uses narrower chunks of light wave space to pack as much data in the bandwidth of the glass
45
what is the specification that broadband cable operates on called?
DOCIS (Data Over Cable Service Interface Specification, enables high bandwidth data transfer to an existing cable TV (CATV) system
46
notation CIDR representation in network and its relation to IPv4 and IPv6
CIDR notation is a way of writing out the network mask by counting the number of bits and using them to the denote subnet masks in both IPv4 and IPv6
47
UNICAST
one to one communication
48
community cloud model
singular infrastructure shared by a group of organizations with specific requirements
49
copper connectors
easy diagnostic point when connectivity is the suspected problem
50
virtual NIC
a software that emulates physical hardware
51
DHCP process for a client
DORA (discover, offer, request, acknowledge)
52
What is "peer" in peer to peer networking
a network node that can function as both a client and server simultaneously
53
TCP
transport protocol for TCP/IP, connection-oriented, sequenced, and acknowledged
54
typical speeds of iSCI
1 Gbps to 40 Gbps
55
what is the primary benefit of Desktop as a Service (DaaS) in terms of security?
it allows for data processing in the cloud
56
what does "transceiver is unidirectional" mean
it only transmits data in one direction on the side of the connection
57
what is the functionality of HTTP and on which TCP port does it operate
HTTP is an application protocol for web data communication and operates on TCP port 80
58
what is the primary purpose of HTTP and Transport Layer Security (TLS)
encrypting data transfers via Secure Sockets Layer
59
what is the key consideration for placing recourses in Campus Area Network (CAN)
closest to the majority of users
59
the role of IP in data transmission
The IP protocol is responsible for encapsulating protocols such as UDP, TCP, and delivering the data to the appropriate addresses
60
what is the main difference between the 3 tiered networking model and the Collapsed core model
the Collapsed core model merges the core and distributed layer onto the same piece of switching equipment
61
what function does a forwarding/caching DNS server primarily server
it forwards DNS requests to another server and caches the answers
62
what is a dual-stack router or host in networking
a host or router that runs both IPv4 and IPv6 network stacks simultaneously
63
63
what is the purpose of a Router Solicitation (RS) request in an IPv6 network
to solicit a Router Advertisement (RA) from the network routers
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comptia (1 decks)

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