CCNA 1 Exam 2014
1
Which three layers of the OSI model provide similar network services to those provided by the application layer of the TCP/IP model? (Choose three.)
physical layer
session layer*
transport layer
application layer*
presentation layer*
data link layer
2
Which two tasks are functions of the presentation layer? (Choose two.)
compression*
addressing
encryption*
session control
authentication
3
Select three protocols that operate at the Application Layer of the OSI model. (Choose three.)
ARP
TCP
DSL
FTP*
POP3*
DHCP*
4
A manufacturing company subscribes to certain hosted services from their ISP. The services required include hosted world wide web, file transfer, and e-mail. Which protocols represent these three key applications? (Choose three.)
FTP*
HTTP*
DNS
SNMP
DHCP
SMTP*
5
What are two characteristics of peer-to-peer networks? (Choose two.)
scalable
one way data flow
decentralized resources*
centralized user accounts
resource sharing without a dedicated server*
6
What is an example of network communication that uses the client-server model?
A user uses eMule to download a file that is shared by a friend after the file location is determined.
A workstation initiates an ARP to find the MAC address of a receiving host.
A user prints a document by using a printer that is attached to a workstation of a coworker.
A workstation initiates a DNS request when the user types www.cisco.com in the address bar of a web browser.*
7
What is an advantage for small organizations of adopting IMAP instead of POP?
Messages are kept in the mail servers until the client manually deletes them.*
When the user connects to a POP server, copies of the messages are kept in the mail server for a short time, but IMAP keeps them for a long time.
IMAP sends and retrieves email, but POP only retrieves email.
POP only allows the client to store messages in a centralized way, while IMAP allows distributed storage.
8
Which two actions are taken by SMTP if the destination email server is busy when email messages are sent? (Choose two.)
SMTP sends an error message back to the sender and closes the connection.
SMTP tries to send the messages at a later time.*
SMTP will discard the message if it is still not delivered after a predetermined expiration time.
SMTP periodically checks the queue for messages and attempts to send them again.*
SMTP sends the messages to another mail server for delivery.
9
Which application layer protocol uses message types such as GET, PUT, and POST?
DNS
DHCP
SMTP
HTTP*
POP3
10
A DHCP-enabled client PC has just booted. During which two steps will the client PC use broadcast messages when communicating with a DHCP server? (Choose two.)
DHCPDISCOVER*
DHCPACK
DHCPOFFER
DHCPREQUEST*
DHCPNAK
11
A user accessed the game site www.nogamename.com last week. The night before the user accesses the game site again, the site administrator changes the site IP address. What will be the consequence of that action for the user?
The user will not be able to access the site.
The user will access the site without problems.*
The user will have to modify the DNS server address on the local PC in order to access the site.
The user will have to issue a ping to this new IP address to be sure that the domain name remained the same.
12
Which DNS server in the DNS hierarchy would be considered authoritative for the domain name records of a company named netacad?
.com
netacad.com*
mx.netacad.com
www.netacad.com
13
Which three statements describe a DHCP Discover message? (Choose three.)
The source MAC address is 48 ones (FF-FF-FF-FF-FF-FF).
The destination IP address is 255.255.255.255.*
The message comes from a server offering an IP address.
The message comes from a client seeking an IP address. *
All hosts receive the message, but only a DHCP server replies.*
Only the DHCP server receives the message.
14
Which phrase describes an FTP daemon?
a diagnostic FTP program
a program that is running on an FTP server*
a program that is running on an FTP client
an application that is used to request data from an FTP server
15
What is true about the Server Message Block protocol?
Different SMB message types have a different format.
Clients establish a long term connection to servers.*
SMB messages cannot authenticate a session.
SMB uses the FTP protocol for communication.
16
When would it be more efficient to use SMB to transfer files instead of FTP?
when downloading large files with a variety of formats from different servers
when a peer-to-peer application is required
when the host devices on the network use the Windows operating system
when downloading large numbers of files from the same server*
when uploading the same file to multiple remote servers
17
Fill in the blank.
What is the acronym for the protocol that is used when securely communicating with a web server? “ HTTPS “
Hypertext Transfer Protocol Secure (HTTPS)
is the protocol that is used for accessing or
posting web server information using a secure communication channel.
18
Fill in the blank.
Refer to the exhibit. What command was used to resolve a given host name by querying the name servers? “ nslookup ”
A user can manually query the name servers to resolve
a given host name using the nslookup command.
Nslookup is both a command and a utility.
19
Question as presented:
Place the options in the following order:
end device address
- not scored -
authoritative name server
canonical name
mail exchange record
20
Question as presented:
Place the options in the following order:
a message that is used to identify the explicit server and lease offer to accept
a message that is used to locate any available DHCP server on a network
- not scored -
a message that is used to suggest a lease to a client
a message that is used to acknowledge that the lease is successful
21
Question as presented:
Place the options in the following order:
[+] no dedicated server is required
[+] client and server roles are set on a per request basis
[#] requires a specific user interface
[#] a background service is required
[+] Order does not matter within this group.
[#] Order does not matter within this group.
22
Open the PT Activity.
Perform the tasks in the activity instructions and then answer the question.
Which PC or PCs are sending FTP packets to the server?
PC_3
PC_1
PC_2*
PC_1 and PC_3
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