network+ exam questions
which of the following answers refer to IPv6 loopback addresses? (select 2 answers) 127.0.0.1 0:0:0:0:0:1 169.254/16 ::1 FE80::/64
0:0:0:0:0:1 ::1
an IPv4 address consists of: 32 bits 48 bits 64 bits 128 bits
32 bits
which of the following UDP ports is assigned to the Domain Name System (DNS)? 53 67 110 389
53
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? 636 389 443 1720
636
which of the answers listed below refers to a type of routing protocol that determines the best route for data packets based on the lowest number of hops? Hybrid Link-state Distance-vector Dynamic
Distance-vector
Post Office Protocol v3 (pop3) uses: TCP port 110 UDP port 123 TCP port 143 UDP port 161
TCP port 110
Secure Shell (SSH) protocol runs on: TCP port 21 UDP port 22 TCP port 20 TCP port 22
TCP port 22
SNMP runs on UDP port: 123 137 143 161
161
which of the TCP ports listed below is used by Telnet? 20 21 22 23
23
a limited IPv4-to-IPv6 transition mechanism that allows for encapsulation of IPv6 packets in IPv4 packets transmitted over IPv4 networks is referred to as: 6to4 802.3af eDiscovery Miredo
6to4
An ethernet switch table containing IP-to-MAC address mappings is called: ARP table Routing table MAC address table DNS table
ARP table
TCP port 80 is assigned to: Hypertext Transfer Protocol (HTTP) Hypertext Transfer Protocol over TLS/SSL (HTTPS) Internet Message Access Protocol (IMAP) Lightweight Directory Access Protocol (LDAP)
Hypertext Transfer Protocol (HTTP)
which of the following answers refers to an SSL/TLS-based directory access protocol? H.323 PPTP Kerberos LDAPS
LDAPS
an IPv6 protocol used by routers to advertise their presence on a network is known as: NDR NCP NDP NTP
NDP
an IPv6 protocols performing the function of IPv4's address resolution protocol (ARP) is called: NCP NDP NTP NDR
NDP
which of the following answers refers to a link-state routing protocol? BGP EIGRP RIP OSPF
OSPF
TCP port 25 is used by: SNMP Telnet FTP SMTP
SMTP
UDP port 69 is assigned to: TFTP SNMP DHCP LDAP
TFTP
which of the following reside at the physical layer of the OSI model? (select 2 answers) IP address Switch Bit Router Network cabling frame
bit network cabling
IPv4 addresses are expressed with the use of: octagonal numbers binary numbers hexadecimal numbers decimal numbers
decimal numbers
which of the following allows an administrator to inspect the traffic passing through a network switch? port mirroring VLAN tagging fault-tolerant mode port scanning
port mirroring
what does the term "Miredo" refer to? IPv4 to IPv6 migration mechanism load balancing solution Teredo tunneling software content filtering solution
teredo tunneling software
networ time protocol (NTP) runs on UDP port: 123 110 161 137
123
an IPv6 address consists of: 32 bits 48 bits 64 bits 128 bits
128 bits
which of the TCP port numbers listed below is assigned to the Internet Message Access Protocol (IMAP)? 143 389 443 636
143
which of the acronyms listed below refers to a set of rules that specify which users or system processes are granted access to objects as well as what operations are allows on a given object? CRL NAT BCP ACL
ACL
which optional field in an Ethernet frame header can be used to enable the Quality of Service (QoS) functionality? CRC Preamble CoS payload
CoS
a lightly protected subnet consisting of publicly available servers placed on the outside of the company's firewall is referred to as: VPN Extranet VLAN DMZ
DMZ
dynamic network address translation (DNAT) provides a permanent mapping between a private IP address and public IP address on a one-to-one basis. True False
False
static network address translation (SNAT) provides a mapping between a private IP address and any of the IP addresses belonging to the available public IP address pool. True False
False
TCP port 172- is used by: H.323 SMB LDAPS SNMP
H.323
which of the asnwers listed below refers to a protocol used for managing VoIP and VTC services? SMB H.323 SCP IGP
H.323
which of the following standards implements PoE+? IEEE 802.1d IEEE 802.3at IEEE 802.1X IEEE 802.3ab
IEEE 802.3at
TCP port 389 is the default network port for? RDP LDAP SMB LDAPS
LDAP
what are the characteristic compnents of the OSI data link layer? (select 3 answers) MAC address packet switch network cabling router frame
MAC address switch frame
An Ethernet switch forwards LAN traffic from connected devices based on information stored in: DNS table Routing table MAC address table Firmware
MAC address table
which IPv6 protocol is used by networked hosts to determine the link layer address of adjacent nodes? NTP NDR NCP NDP
NDP
which of the IPv6 protocols listed below is used by networked nodes for locating routers? NDP NTP NDR NCP
NDP
which of the answers listed below refers to a network protocol used for synchronizing clocks over a computer network: NTP VTP NNTP RTP
NTP
examples of distance-vector routing protocols include: (select 2 answers) EGP OSPF RIP EIGRP BGP
OSPF EIGRP
a solution that allows to supply electricity over standard Ethernet cables is known as: (select 2 answers) IEEE 802.3ab PoE Metro-Ethernet IEEE 802.3af PSTN
PoE IEEE 802.3af
which of the answers listed below describe the function of DiffServ architecture? (select 2 answers) Security QoS Authentication Traffic Management Accounting
QoS Traffic management
what is the functionality provided by the class of service (CoS) parameter? (select 2 answers) Security QoS Authentication traffic management accounting
QoS traffic management
A Microsoft-proporietary protocol providing a user with graphical interface for connecting to another networked host is known as: RDP SSH Telnet rsh
RDP
a network protocol that allows for secure file transfer over Secure Shell (SSH) is called: TFTP SFTP Telnet FTPS
SFTP
which of the following answers refers to a protocol used for managing real-time sessions that include voice, video, application sharing, or instant messaging services? L2TP BGP RSTP SIP
SIP
which of the folloeing protocols runs on TCP port 445? HTTPS SMB/CIFS IMAP H.323
SMB/CIFS
a type of protocol used in network management systems for monitoring network-attached devices is called: SMB NTP SNMP RDP
SNMP
unblocking TCP port 22 enables what type of traffic? FTPS SSH SFTP FTP HTTP
SSH SFTP
which of the protocols listed below provide protection against switching loops? (select 2 answers) RTP SRTP RDP STP RSTP
STP RSTP
which port enables the FTP's Data Connection for sending file data? UDP port 20 TCP port 20 UDP port 21 TCP port 21
TCP port 20
the File Transfer Protocol (FTP) Control Connection for administering a session is established through: TCP port 20 UDP port 20 TCP port 21 UDP port 21
TCP port 21
which of the following ports is used by HTTPS? TCP port 80 TCP port 443 UDP port 53 TCP port 143
TCP port 443
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? TCP port 1720 TCP port 636 TCP port 3389 TCP port 445
TCP port 445
Secure file Transfer Protocol (SFTP) is an extension to the Secure Shell protocol (SSH) and runs by default on TCP port 22. True False
TRUE
an IPv4-to-IPv6 transition mechanism with native support for Network Address Translation (NAT) is known as: 6to4 Teredo eDiscovery Miredo
Teredo
to allow traffic from multiple VLANs on a single communication link, frames from individual VLANs must be identified. The most common and preferred method, IEEE 802.1Q, adds a tag to the Ethernet frame header, labeling it as belonging to a certain VLAN. True False
True
which of the ports listed below are assigned to the Session Initiation Protocol (SIP)? (select 2 answers) UDP port 67 TCP port 5060 TCP port 389 UDP port 68 TCP port 5061 TCP port 3389
UDP port 67 TCP port 5060 TCP port 5061
Dynamic Host Configuration Protocol (DHCP) runs on: (select 2 answers) UDP port 53 UDP port 67 UDP port 68 UDP port 69 UDP port 161
UDP port 67 UDP port 68
LDAP is an example of: authentication protocol address resolution protocol directory access protocol file exchange protocol
directory access protocol
border gateway protocol (BGP) falls into the category of: hybrid routing protocols link-state routing protocols distance-vector routing protocols static routing protocols
hybrid routing protocols
a type of routing protocol that calculate the best path between source and destination nodes based on a map of network connectivity between nodes is called: Dynamic Link-state static distance-vector
link-state
which of the answers listed below refer to IMAP4? (select 2 answers) offers improved functionality in comparison to POP3 serves the same function as POP3 enables sending email messages from client devices offers less functions than POP3 enables email exchange between mail servers
offers improved functionality in comparison to POP3 serves the same function as POP3
which of the following terms refer to solutions used for controlling network resources and assigning priority to different types of traffic? (select 2 answers) Acceptable Use Policy (AUP) packet shaping bandwidth cap Quality of Service (QoS) fair access policy
packet shaping quality of service (QoS)
a server with a private IP address has been set up to handle requests from an outside (public) network. which of the solutions listed below would enable this function? port bonding port labeling port forwarding port mirroring
port forwarding
what are the characteristic features of TFTP? (pick 2) provides no security features typically used for exchanging files over the Internet a very basic form of file sharing protocol provides authentication and encryption directory access protocol
provides no security features a very basic form of file sharing protocol
the SMTP protocol is used for: (pick 2) sending email between mail servers name resolution serving of web pages retrieving email from mail servers sending email from a client device
sending email between mail servers sending email from a client device
a manually-configured routing table entry is known as: static route dynamic route hybrid route default route
static route
telnet: (pick 3) encrypts network connection provides password authentication transmits data in an unencrypted form does not provide authentication enables remote login and command execution
transmits data in an unencrypted form does not provide authentication enables remote login and command execution
a hybrid routing protocol combines the features of distance-vector and link-state routing protocols: true false
true