Domain 1 Network+ Review Questions

Which transceiver type allows for the connection of up to four different devices from one transceiver?

• SPF

• SPF+

• QSPF+

• GBIC

Answer explanation

A Quad Small Form-factor Pluggable+ (QSPF+) can connect up to 4 different devices from one transceiver with the use of a breakout style cable.

Which protocol is built into Microsoft servers for remote access purposes?

• RDP

• SNMP

• LDAP

• Telnet

Answer explanation

RDP - remote desktop protocol provides access to Microsoft servers for administration of the OS. RDP redirects the keyboard, mouse and monitor to the administrator's computer.

Which connectivity method is locally owned, managed by an organization and used to connect the organization's LAN together?

• MAN

• CAN

• WAN

• WLAN

Answer explanation

A campus area network (CAN) is a connectivity method that is locally owned and managed by an organization to connect multiple LANs together.

You need to provide text- console-based access to a server for administration. Which protocol will provide encrypted text console-based access to the server?

• Telnet

• RDP

• SSH

• SFTP

Answer explanation

SSH is secure shell and is a cryptographic protocol that provides encrypted text console-based access over an IP network. It is commonly used to securely administer Linux servers.

Which IPv6 address is NOT a valid address?

• 2001:db8:f::0000:1e2:2c0:2

• 2001:0db8:0:0:0:8d8:242:1

• 2001:0db8::10e:0:12

• 2001:0db8:45::102::12

Answer explanation

The double colon cannot be used twice in the IPv6 addresses. All others are valid IPv6 addresses.

Which cabling standard was the first to support 10 Gbps data speeds?

• Category 5

• Category 6

• Category 5e

• Category 7

Answer explanation

Category 6 was the first to support 10 Gbps at a maximum length of 55 meters.

Which Transport layer protocol provides assured delivery and retransmission of segments lost in transmission?

• ICMP

• UDP

• IP

• TCP

Answer explanation

TCP (Transmission Control Protocol) provides sequenced and acknowledged segments. Because each segment is sequenced and acknowledged by the receiving computer, any segments lost in the delivery process will be re-requested at this layer.

Which is a direct benefit of a full mesh topology?

• Increased bandwidth

• Increased redundancy

• Decreased switch count

• Increased complexity

Answer explanation

Increased redundancy of connections is a direct benefit of a full mesh topology.

What is the functional purpose of an APC fiber-optic connection end?

• Vendor interoperability

• Increased speed of the connection

• Extremely polished surface

• Minimized reflection loss

Answer explanation

An angled physical contact (APC) fiber-optic connection end is used to minimize reflection loss of the original light signal.

Where is the hybrid topology most commonly seen in the three-tier design model?

• Core layer

• Distribution layer

• Access layer

• Routing layer

Answer explanation

The hybrid topology is most often seen at the access layer. The devices are connected in a star topology and the access layer switches are partially meshed to the distribution layer switches.