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Network +

Network + Certification

QuestionAnswer
Class A (IP Range) 1-126
Class B (IP Range) 128-191
Class C (IP Range) 192-223
What IP is never used? (First Octet) 127
When there's a collision on a Ethernet Segment which ethernet feuature is used to set off a Random Back Off Timer? CSMA/CD (Carrier Sense Mulitple Access with Collision Detection)
What is IEEE 802.3 technology? Ethernet
Define Collision in regard to Ethernet? When two devices on a segment transmit data simultaneously
Which device receives the Broadcast Transmission? All the devicse on the Ethernet Segment
Which ethernet technology can logically bond several physical ethernet links into one logical connection? LACP (Link Aggregation Control Protocol)
What is IEEE 802.3ad A protocol that can bond several physical ethernet link into one logical connection. Like LACP
Which two Wireless Standards are compatible with each other? 802.11b and 802.11g (because they operate on the 2.4 GHz frequency) The difference is the Data Transfer Speeds
Which wirless standard offers 600 Mbps of Data Transmission and supports both 2.4 Ghz and 5 Ghz bands? 802.11n
Which mechanism is used to prevent collisions in a wireless domain? CSMA/CA
PSTN (Public Switched Telephone Network) is what type of network? Circuit Switched
When trying to identify a port on a host or network which tool would you use? Port Scanner
Class A Private Address Range 10.0.0.0- 10.255.255.255
Class B Private Address Range 172.16.0.0- 172.31.255.255
Class C Private Address Range 192.168.0.0- 192.168.255.255
Which wireless standard intorduced channel-bonding? 802.11n that is why it can reach 600 Mbps (300 Mbps per radio)
What cabling is immune to EMI (Electro Magnetic Interference) Fiber Optic
FC (Fixed Connection) is what type of connector? Fiber Optic, Screw-On
What is IDS Intrusion Detection System
What is attenuation in cabling? Process where an electric signal loses strength as it is being transmitted across a medium
What characters are valid in a hexadecimal? 0-9 and A-F
Which tool can be used to obtain NetBIOS over TCP/IP statistics? nbstat
Which is more Intellegent IPS (Intrusion Prevention System) or IDS (Intrusion Detection System) IPS (Intrusion Detection System)
Which type of connector has a 5 mm ferrule? MT-RJ (Mechanical Transfer-Registered Jack)
Features of EAP-TLS Most secure method used in remote access on windows.
Peer-to-Peer is which type of logical network topology? A Workgroup
What makes L2TP the most secure way to implement a VPN tunnel? It is implemented with IPSec (IP Security)
What kind of Routing is RIP (Routing Information Protocol) Dynamic Routing
Difference between IMAP4,POP3, and SMTP IMAP4 and POP3 are used to retrieve email from the internet. SMTP is used to push out email.
Features of Multilayer Switch -Combined functionality of Layer 2, Layer 3, and Layer 4 switching -High-Speed scalability -Low Latency
What is supernetting A network that has repurposed network bits to extend the maximum number of hosts for a subnet. When the subnet mask is lower that the IP class default.
What two protocols are capable of sending firmware updates to routers and booting network devices? TFTP (Trivial File Transfer Protocol) and FTP (File Transfer Protocol)
What is the sequence that describes the parts of large network from the demarcation point to the client computers? Smartjack, MDF, IDF, Clients
Max transfer speed of an E3 link 34.368 Mb/s
Which routing protocol is Cisco proprietary and classified as a balanced hybrid routing protocol? EIGRP (Enhanced Interior Gateway Routing Protocol)
what operating system uses ifconfig Linux/ Unix system
QoS traffic shaping is best used for what type of traffic? Streaming Video
What tool measures resistance and voltage? Multimeter
a domain is what type of network? client/ server
What can protect a PC from a Remote Desktop Brute Force Attack? Setting an account lockout policy
What is the APIPA ip range? 169.254.0. - 169.254.255.255
what does the command nslookup do It query's the DNS server
IGRP and RIP use what type of algorithm? Distance-Vector
What network device can connect two networks that use different protocols? Gateway
Straight Through cable uses what standard of wiring at both ends? T568A
10GBase T Ethernet avoids collisions how data is transmitted and received on separate wires
What device allows for conversion of media types? Media Converter
What type of firewall blocks traffic based on port number? Packet-Filtering firewall
With what tool can you check were a cable terminates Fox and Hound Tool
Can collisions occur on a full duplex switch. NO, receiving and sending are transmitted through different wires
Polymorphism does what to a virus? enables the virus to change specific aspects of itself when it replicates
How many hosts can 10Base-T network support? 1,024 Hosts
Created by: dacheeves