Missed questions Network +

Copper wiring is used in which of the following cabling?

1000BaseT

What is the impedance of RG-58 coaxial cable?

50 ohms

Your network administrator notices excessive traffic being used by P2P software such as torrents. What must the network administrator implement to optimize network efficiency?

Bandwidth shaper

Sylvia suspects a cable labeled as CAT 6 by a previous tech might not be up to standard. What tool enables her to test her theory?

Cable certifier

Which of the following services is most likely to need an NTP server?

Kerberos

Which table maps a destination MAC address to a port within a switch?

MAC address lookup table

Which option is categorized data that can be accessed with an SNMP query?

MIB

You are a network administrator attempting to troubleshooting a WINS server. Which tool would you most likely use to diagnose this?

Nbtstat

Of the technologies listed, which would be the BEST when protecting your large corporate network from outside attacks?

Network-based firewall

Which WAN technology runs the fastest?

OC-1

Reverse DNS lookup is typically done using what type of DNS records?

PTR

Which of the following OSI layers converts the ones and zeros into the type of signals needed for the network cable, and then places these signals on the cable?

Physical layer

Network administrator Julius is going to install an 802.11n network. Which of the following should he consider FIRST?

Placement

The _______________ layer of the OSI model establishes, manages, and terminates multiple communications between computers.

Session

Which layer of the OSI seven layer model ensures reliable communication?

Session

Zelda is a network technician who just installed a new 10/100/1000 switch. Users are reporting to the server administrator that servers connected to the new switch seem to have slow LAN performance. Zelda checks the port connecting the new switch to the core switch and sees the following information: show run interface GigabitEthernet0/10 Switchport trunk encapsulation Switchport mode trunk_x000D_Switchport trunk native VLAN 10_x000D_ Which of the following is the MOST likely cause of the slow connections?

Speed and duplex have not been set.

Which document defines services, products, and time frames for support provided by a vendor?

Statement of work

An organization has an ever-expanding array of network devices. They have determined it is too time-consuming to log into each device to collect error information. Network administrator Geraldine says that she can set up a server that will capture errors from each device automatically. Which of the following technologies would BEST fit this requirement?

Syslog

Network engineer Alonzo needs to troubleshoot at a remote corporate facility across the WAN. Which of the following user authentications would be the BEST to implement?

TACACS+

Indira, an administrator, just installed a new switch. She has connected two servers with IP addresses of 192.168.105.20 and 192.168.105.30. The servers are able to communicate with each other, but are unable to reach the Internet. Indira checks the switch configuration and sees the following information: Interface: VLAN 105 IP address: 192.168.105.5 255.255.255.0 Jeff is able to ping the router at 192.168.105.1 from the switch. Which of the following is the MOST likely cause of the problem?

The server is missing default gateway information

Marshall is an IT manager for a small company. The company has a wireless network and is experiencing a significant increase in network traffic from the wireless access point to very high levels compared to the limited number of wireless devices in use. Marshall thinks that other, non-employees may be using the wireless network to access the Internet. Which of the following could be used to limit the access to the wireless network? (Select TWO.)

WPA encryption MAC filtering