CompTIA Network+ Certification Exam N10-007 Practice Test 9

The IEEE 802.11n standard specifies available channel bandwidth options of: (Select 2 answers) a. 20 MHz b. 22 MHz c. 40 MHz d. 80 MHz e. 160 MHz

a. 20 MHz c. 40 MHz

Which of the answers listed below refers to a common antenna type used as a standard equipment on most Access Points (APs) for indoor Wireless Local Area Network (WLAN) deployments? a. Omnidirectional antenna b. Dish antenna c. Unidirectional antenna d. Yagi antenna

a. Omnidirectional antenna

Which DNS record specifies a host and port information that allow to find specific services on a network? a. SRV (Server Record) b. NS (Network Administration) c. PTR (Pointer Record) d. DKIM (DomainKeys Identified Mail)

a. SRV (Server Record)

A cloud delivery model consisting of two or more interlinked cloud infrastructures (private, community, or public) is referred to as a hybrid cloud. a. True b. False

a. True

Multiple Input / Multiple Output (MIMO) is a wireless technology that allows for significant increase in data throughput due to the use of multiple antennas and multiple data streams. a. True b. False

a. True

Which of the answers listed below refer to highly directional antenna type used for long-range point-to-point bridging links? (Select 3 answers) a. Yagi antenna b. Omnidirectional antenna c. Dish antenna d. Non-directional antenna e. Parabolic antenna f. Dipole antenna

a. Yagi antenna c. Dish antenna e. Parabolic antenna

Which of the following answers refers to a security policy enforcement software tool or service placed between cloud service users and cloud applications? a. UTM (Unified Threat Management) b. CASB (Cloud Access Security Brokers) c. NGFW (Next-Generation Firewall) d. DMVPN (Dynamic Multipoint Virtual Private Network)

b. CASB (Cloud Access Security Brokers)

Which of the following antenna types provide a 360-degree horizontal signal coverage? (Select 2 answers) a. Unidirectional antenna b. Dipole antenna c. Yagi antenna d. Omnidirectional antenna e. Dish antenna

b. Dipole antenna d. Omnidirectional antenna

Which of the answers listed below refer to methods for creating secure connections between clients and cloud service providers? (Select 3 answers) a. Telnet b. IPsec (Internet Protocol Security) c. PAP (Password Authentication Protocol) d. SSL/TLS encryption (Secure Sockets Layer/Transport Layer Security) e. VPN (Virtual Private Network)

b. IPsec (Internet Protocol Security) d. SSL/TLS encryption (Secure Sockets Layer/Transport Layer Security) e. VPN (Virtual Private Network)

Which WAP configuration setting allows for adjusting the boundary range of a wireless signal? a. SSID broadcast b. Power level controls c. Maximum Transmission Unit (MTU) d. Quality of Service (QoS)

b. Power level controls

A cloud computing service model offering remote access to applications based on monthly or annual subscription fee is called: a. PaaS (Platform As A Service) b. SaaS (Software As A Service) c. IaaS (Infrastructure As A Service) d. MaaS (Monitoring As A Service)

b. SaaS (Software As A Service)

The process of planning and designing new WLANs for optimal performance, security and compliance typically involves: a. Penetration testing b. Wireless site survey c. Vulnerability scanning d. End user awareness and training

b. Wireless site survey

In order 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 of the servers listed below is used to handle this type of request? a. ICS server (Internet Connection Sharing Server) b. Web server c. DNS server d. DHCP server

c. DNS server

The DNS database AAAA record creates a pointer that maps a hostname to: a. IPv4 address b. Mail server c. IPv6 address d. Canonical name

c. IPv6 address

Which of the following DNS database records maps a domain name to a list of mail servers for that domain? a. NS (Network Administration) b. SPF (Sender Policy Framework) c. MX (Mail Exchanger Record) d. PTR (Pointer Record)

c. MX (Mail Exchanger Record)

Which of the following answers refers to the new feature introduced with the IEEE 802.11ac standard? a. Multiple Input / Multiple Output (MIMO) b. 40 MHz channel width c. Multi-User MIMO (MU-MIMO) d. Maximum data signaling rate of up to 600 Mbps

c. Multi-User MIMO (MU-MIMO)

Which of the following cloud service types would provide the best solution for a web developer intending to create a web app? a. MaaS (Monitoring As A Service) b. SaaS (Software As A Service) c. PaaS (Platform As A Service) d. IaaS (Infrastructure As A Service)

c. PaaS (Platform As A Service)

What is the function a DNS TXT record? (Select 2 answers) a. Resolves an IP address to a hostname for reverse lookups b. Maps a domain name to a list of mail servers for that domain c. Provides outside services with additional information about a domain d. Not used to direct any traffic e. Allows multiple domain names to resolve to the same IP address

c. Provides outside services with additional information about a domain d. Not used to direct any traffic

Which DNS records are commonly used with the DNS TXT record? (Select 2 answers) a. PTR (Pointer Record) b. CNAME (Canonical Name) c. SPF (Sender Policy Framework) d. MX (Mail Exchanger Record) e. DKIM (DomainKeys Identified Mail)

c. SPF (Sender Policy Framework) e. DKIM (DomainKeys Identified Mail)

Which DNS records are used to protect a domain from being wrongfully identified as a source of email spam? (Select 2 answers) a. NS (Network Administration) b. SPF (Sender Policy Framework) c. CNAME (Canonical Name) d. DKIM (DomainKeys Identified Mail) e. SRV (Server Record)

c. SPF (Sender Policy Framework) e. DKIM (DomainKeys Identified Mail)

Which of the DNS database records listed below returns a 32-bit IP address? a. MX (Mail Exchanger Record) b. AAAA (Record Is A DNS Record That Maps To An IPv6 Address) c. CNAME (Canonical Name) d. A (Associates A Name To The Server IP Address) e. PTR (Pointer Record)

d. A (Associates A Name To The Server IP Address)

Which of the answers listed below refers to a cloud computing delivery model in which clients, instead of buying all the hardware and software, purchase computing resources as an outsourced service from suppliers who own and maintain all the necessary equipment and software? a. SaaS (Software As A Service) b. MaaS (Monitoring As A Service) c. PaaS (Platform As A Service) d. IaaS (Infrastructure As A Service)

d. IaaS (Infrastructure As A Service)

A type of cloud infrastructure available solely for a single organization is known as: a. Public cloud b. Community cloud c. Hybrid cloud d. Private cloud

d. Private cloud

Which of the following answers refers to a cloud computing delivery model in which the cloud infrastructure is provisioned for open use by the general public? a. Hybrid cloud b. Private cloud c. Community cloud d. Public cloud

d. Public cloud

The IEEE 802.11ac standard specifies a maximum channel bandwidth of: a. 20 MHz b. 22 MHz c. 40 MHz d. 80 MHz e. 160 MHz

e. 160 MHz