Lesson 13 Networking Flashcards
1
Q
What does OSI stand for?
A
Open Systems Interconnect
2
Q
What company developed the OSI reference model?
A
International Standards Organization (ISO)
3
Q
What protocol requires every packet to be transmitted?
A
TCP
4
Q
What protocol is commonly used for streaming media?
A
UDP
5
Q
What does UDP stand for?
A
User Datagram Protocol
6
Q
Where high-level protocols such as SMTP and FTP operate in the TCP/IP model
A
Application Layer in TCP
7
Q
TCP and UDP use this Layer
A
Transport
8
Q
What is Layer 5 in the OSI model?
A
Session
9
Q
IP addressing and routing takes place in this layer(TCP/IP)
A
Internet
10
Q
What is the Port # for FTP
A
21
11
Q
What is the Port # for SSH
A
22
12
Q
What is the Port # for Telnet
A
23
13
Q
What is the Port # for SMTP
A
25
14
Q
What is the Port # for DNS
A
53
15
Q
What is the Port # for HTTP
A
80
16
Q
What is the Port # for POP3
A
110
17
Q
What is the Port # for IMAP
A
143
18
Q
What is the Port # for SLP
A
427
19
Q
What is the Port # for HTTPS
A
443
20
Q
What is the Port # for SMB
A
445,137-139
21
Q
What is the Port # for AFP
A
548
22
Q
What is the Port # for RDP
A
3389
23
Q
What port is typically used for web browsing?
A
80
24
Q
This protocol is allows clients to retrieve email from a mail server.
A
IMAP(Internet message access protocol)/SMTP/POP3
25
A decentralized naming system for computers
DNS
26
A cryptographic network protocol for operating network services securely over an unsecured network
(SSH) Secure Shell
27
What is RDP?
Remote Desktop Protocol
28
What is AFP?
AppleTalk Filing Protocol - file sharing protocol used in AppleTalk network
29
Large Corporations use this range of IPs
Class A - 1-126
30
What is the IP 127.0.0.1?
Loopback address
31
What headings do APIPA addresses start with?
169
32
What does APIPA mean?
Automatic Private IP addressing
33
how many bits is an IPv4 network?
32bit
34
how many bits is in an IPv6 address?
128bit
35
What are the two parts in an IPV4 address?
Network portion and host portion
36
How many available ports are there in total used by protocols?
65536
37
What is the best protocol to use when securely transferring large files?
SFTP
38
What can translate data between different operating systems, or email formats, or between totally different networks?
Gateway
39
Which OSI layer signals "all clear" by making sure the data segments are error free?
Transport Layer
40
How many devices can a Bluetooth device connect to simultaneously?
7
41
A device has an IPv6 address of 2001:0DB8:75a3:0214:0607:1234:aa10:ba01 /64. What is the host identifier of the device?
0607:1234:aa10:ba01
42
Which layer of the OSI model is responsible for logical addressing and routing?
network
43
When would a printer be considered a network host?
when it is connected to a switch
44
Which three layers of the OSI model map to the application layer of the TCP/IP model?
Application, Session, Presentation
45
Which two layers of the OSI model correspond to the functions of the TCP/IP model network access layer?
Physical, Data Link
46
What standard describes ethernet technology?
IEEE 802.3
47
Which IEEE standard operates at wireless frequencies in both the 5 GHz and 2.4 GHz ranges?
802.11n
48
Which network device makes forwarding decisions based on the destination MAC address that is contained in the frame?
switch
49
A type of fiber optic transmission that uses a single one way transmission.
Simplex i.e.the signal that is sent from a TV station to your home TV is an example of what type of transmission?
50
What standard describes Wireless LAN technology?
IEEE 802.11
51
What encryption protocol does IEEE 802.11i/WPA2 use?
AES ( Advanced encryption Standard) considered the strongest encryption protocol.
52
What are 2 non-RG coaxial cables?
thicknet(500m) and Thinnet(200m)
53
When both ends of a cable is wired in T568A it is often called what?
Straight-through cable(connects a network host to a device)
54
MMF &SMF is used in what type of cable?
Multimode & Single mode (fiber cables)
55
What type of fiber connector uses Simplex?
LC (Lucent Connector)
56
How many bits is an MAC address?
48
57
What command would you type in cmd prompt to display your IPv6 address?
ipconfig /all
58
How many hosts are in a class A network?
16 777 214
59
How many hosts are in a class C network?
254
60
What is CIDR?When is it used?
Classless Inter-Domain Router for subnetting
61
When DHCP fails to assign you an address what happens?
an APIPA address will be assigned to you.
| *169 address*
62
What protocol is being used when you ping a server?
ICMP
63
What is LoS?
Line of Sight
64
This type of cloud computing is built to meet a specific need.
community cloud
65
This type of cloud is intended for a specific organization or entity such as the government
private cloud
66
This type of cloud is made up of two or more clouds connected via a single architecture
hybrid cloud
67
This type of cloud is made available to the general public
public cloud
68
This type of server stores frequently accessed web pages on the internal network
proxy server
69
A technician is investigating a report that a computer is unable to access network resources. The technician discovers that the computer has an IP address of 169.254.27.168. What is a logical first step in diagnosing this problem?
check the NIC LED lights
70
A technician uses the nbtstat -A 192.168.0.3 command. What does the technician expect to view in the command output?
current connections and statistics
71
Which Cloud computing service would be best for an organization that does not have the technical knowledge to host and maintain applications at their local site?
SaaS Software as a Service
72
Besides RDP what is another protocol that provides Remote Assistance?
Telnet
73
What is Super G technology?
increases a bandwidth of an 802.11 technology (doubling)
74
What command line would you use to find the ip address of www.npower.com?
nslookup
75
What command line is used to identify any problems in a particular path?
tracert
