At what two layers of the OSI model does a multilayer switch work?
What is layer 2 and 3
100
Which of the following is a standard for all message logging for Unix and Unix-based computers?
What is SYSLOG
100
This type of attack overwhelms a network host with a stream of bogus data that keeps it from being able to process the routine data traffic.
What is DOS
100
Test the Theory to Determine Cause is what step in the 7 troubleshooting steps?
What is step 3
100
This layer of the OSI model handles or manages TCP, UDP, SSL, TLS, Flow control, Error detection and correction?
What is the Transport layer
200
How many bits are used to create an IPv4 address?
What is 32 bits
200
Which of the following provides real-time security analysis and security alerts that are generated by network hardware and applications?
What is SIEM
200
This attack uses an oversized ICMP packet sent to the remote victim flooding the victom's buffer causing a reboot.
What is Ping of Death
200
Switching loops can be prevented using what protocol?
What is STP= Spanning Tree Protocol
200
This multiplexing technology is just sending multiple frequencies on the same wire at the same time and relying on the receiver to “tune in” to the one that it “wants to hear.”
What is Frequency- Division Multiplexing
300
If you have a Class B address with a default subnet mask and you need to create eight subnets, then which of the following subnet masks should you use?
What is /11 or subnet mask 224
300
Which type of wireless network topology does not use a WAP?
What is AD-HOC
300
This type of attack spoofs the intended victim's IP address then sends a large number of PINGs the IP broadcast over TCP.
What is a SMURF attack
300
The following Command output represents which command?
Active Connections
Proto Local Address Foreign Address State
TCP 127.0.0.1:895 JJ=PC:57290 Established
TCP 127.0.0.1:12080 JJ=PC:57301 Established
TCP 127.0.0.1:56526 JJ=PC:56527 Established
TCP 127.0.0.1:56527 JJ=PC:895 Established
What is Netstat
300
This IP address ::1 represents which protocol
What is Loopback
400
Which two modes of IPsec can be used in a network?
What is tunnel and transport
400
Which type of wireless network topology uses multiple WAPs so that a user can roam within it?
What is ESSID
400
This protocol links users to public key that verifies the user’s identity by using a certificate authority (CA).
What is PKI= Public Key infrastructure
400
This device is used on fiber networks to determine cable length, location faults, speed and condition of fiber?
What is an OTDR
400
The Link Local Address is represented in IPv6 by what address?
What is FE80
500
What protocol pushes data on fiber links at 150 Gbps and is controlled by atomic clocks?
What is Sonet
500
Which of the following are valid frequency bands for wireless networks? (Choose two.)
2.4 GHz
5.0 MHz
2.4 MHz
5.0 GHz
What is 2.4 Ghz and 5.0 Ghz
500
The time between the original attack and the eventual solution is called the vulnerability window.
What is Zero day attack
500
Which 802.11 wireless protocol is backward compatible to 802.11A?
What is 802.11N and /or 802.11 a/c
500
Wireless environment Channel 3 is represented by what level of Ghz?