CompTIA A+ Exam 220-1101 - Network Services Quiz Flashcards
To connect to a website and display its contents, a URL entered in the web browser address bar needs to be translated into an IP address. Which servers is used to handle this type of request?
DNS server
Which of the DNS database records returns a 32-bit IP address?
A
The DNS database AAAA record creates a pointer that maps a hostname to:
IPv6 address
Which DNS database records maps a domain name to a list of mail servers for that domain?
MX
What is the function of a DNS TXT record?
(2 answers)
Provides outside services with additional information about a domain
NOT used to direct any traffic
Which DNS TXT records are used for spam management?
(3 answers)
SPF
DKIM
DMARC
Which allows the receiver of an email message to verify that the message claimed to have come from a specific domain was indeed authorized by the owner of that domain?
DKIM
Which refers to an authentication method that enables signing an outbound email message with digital signature?
DKIM
Which refers to an open standard defining a technical method to prevent electronic mail sender address forgery?
SPF
Which refers to a DNS TXT record that allows the owner of a domain to specify all the servers authorized to send mail from their domain?
SPF
Which refers to a DNS TXT record containing instructions for the recipient of an email message on how to handle emails that do not align with the sender’s mail policies?
DMARC
Which server type enables automatic allocation of IP addresses on a network?
DHCP server
The time a DHCP client can use an IP address dynamically assigned by the DHCP server is referred to as:
Lease
Which refers to permanent IP address assignment from a DHCP server?
Reservation
A range of IP addresses that a DHCP server can lease out to DHCP clients is known as:
Scope
A dedicated file server is also referred to as:
FTP server
IPP, LPD/LPR, and SMB/CIFS are examples of protocols that enable what kind of network service?
Printing
What is the function of an SMTP server?
Email handling
Which type of server is used for collecting diagnostic and monitoring data from networked devices?
Syslog server
What is the function of an HTTP server?
Serving of web pages
Which part of the AAA security architecture deals with the verification of the identity of a person or process?
Authentication
Which refers to the process of granting or denying access to resources?
Authorization
In the AAA security architecture, the process of tracking accessed services as well as the amount of consumed resources is called:
Accounting
Which solutions provide the AAA functionality?
(2 answers)
TACACS+
RADIUS
Which refers to the protocol and port number used by spam filter?
(2 answers)
SMTP
PORT: 25
The term “Unified Threat Management” (UTM) refers to a network security solution, commonly in the form of a dedicated device (called UTM appliance or web security gateway), which combines the functionality of a firewall with additional features such as URL filtering, content inspection, spam filtering, gateway antivirus protection, IDS/IPS function, or malware inspection.
TRUE / FALSE
TRUE
A physical network device or software solution designed for managing the optimal distribution of workloads across multiple computing resources is known as:
Load balancer
In computer networking, a computer system or application that acts as an intermediary between another computer and the Internet is commonly referred to as:
Proxy
Which refers to industrial and manufacturing control system?
SCADA
An emerging field of new technologies, such as wearable tech or home automation is known as:
IoT
