Network+ Domain 1: Networking Fundamentals

Which of the following allows incoming traffic addressed to a specific port to move through the firewall and be transparently forwarded to a specific host on the private network?

• DNAT

• OSPF

• IP masquerade

• Dynamic NAT

Which of the following terms identifies the wiring closet in the basement or ground floor that typically includes the demarcation point?

• Horizontal cross connect

• 110 block

• MDF

• IDF

When implementing a Multiprotocol Label Switching (MPLS) WAN, which data unit is managed by the routers at different sites?

• Frames

• Datagrams

• Packets

• Bits

Which of the following cables offers the best protection against EMI?

• Cat 6a

• Cat 5e

• Cat 5

• RG-6

You want a switch to have the ability to modify the media type the switch port supports. Which two types of modules might you use to make this possible?

• SFP

• CRC

• GBIC

• ARP

• MAC

What is the default subnet mask for the IP address 203.111.3.3?

• 255.255.255.0

• 255.255.255.255

• 255.0.0.0

• 255.255.0.0

Which protocol does an IP host use to inform a router that it wants to receive specific multicast frames?

• IGM

• ICMP

• SMTP

• SNMP

Which pins on an RJ45 connector transmit data when they're used on a 100BaseT Ethernet network? (Select two.)

• Pin 1

• Pin 2

• Pin 4

• Pin 3

• Pin 5

Which of the following is NOT one of the IP address ranges defined in RFC 1918 that are commonly used behind a NAT server?

• 172.16.0.1 to 172.31.255.254

• 10.0.0.1 to 10.255.255.254

• 169.254.0.1 to 169.254.255.254

Which of the following network services or protocols uses TCP/IP port 222?

• TFTP

• NNTP

• SSH

• IMAP4