CCNA 1
What is the term that is used to describe a piece of data at the Data-Link layer?
Frame
On which layer of OSI model does DHCP work?
Application
What happens when the following command is inputted:
(config)# banner motd %"hello cisco%"
the set banner will be:
"hello cisco
What is the purpose of the DH algorithm?
to generate a shared secret between two hosts that have not communicated before
What is the command to initialize a new Git directory?
git init <project directory>
SYN, SYN-ACK, ACK
When configuring a Trunk port on a switch it is always necessary to specify the allowed VLANs.
True or False?
False
What is the purpose of the following command:
S2(config-if)# spanning-tree bpduguard enable
Enable BPDU Guard to avoid having a portfast interface connected to another switch.
What is the main difference between Telnet and SSH?
encryption
What is the purpose of the following command?
no ip domain lookup
It is used to prevent the router from trying to resolve incorrectly pasted commands in the cli by sending out a DNS query.
A host sends an HTTP request to a web server on a remote network. During encapsulation for this request, what information is added to the address field of a frame to indicate the destination?
the MAC address of the default gateway
What combination of modes result in a successful channel establishment with LACP?
On-On
Active-Passive (both ways)
Active-Active
What is the command to assign a Firewall Zone to an interface?
Router(config-if)# zone-member security <zone-name>
Which operator is used in an ACL statement to match packets of a specific application?
eq
What HTTP Respone code indicates that the user does not have access rights to the content requested
403 - forbidden
What kind of IP Address is 172.0.17.223 /27
Broadcast Address
As a DHCPv4 client lease is about to expire, what is the message that the client sends the DHCP server?
DHCPREQUEST
A network is divided into 4 subnets, each assigned to a different VLAN (21,22,23,99).
On a switch the port F0/1 is configured in access mode on vlan 21. The following commands are inputted:
Switch(config-if)#switchport access vlan 22
Switch(config)#no vlan 22
What happens to F0/1?
No vlan is assigned to the port and all traffic will be discarded.
What term is used to describe the phenomenon of more VMs than can be managed effectively?
VM Sprawl
What keyward is used to define a new function in Python?
def
An IPv6 enabled device sends a data packet with the destination address of FF02::2. What is the target of this packet?
All IPv6 configured routers on the local link
Describe briefly each STP port state.
Blocking-Receive only BPDU
Listening-Receive and send BPDU
Learning-Receive and send BPDU+Update Mac Table
Forwarding- //+//+Forward Data Frames
Disabled- Nothing
What are the commands to configure and apply an outbound ACL, using the number 1, with a statement that denies access only to the 192.168.20.0/24 network from the 192.168.11.0/24 network.
access-list 1 deny 192.168.11.0 0.0.0.255
access-list 1 permit any
interface "int-name"
ip access-group 1 out
Which type of packet is unable to be filtered by an outbound ACL?
Traffic that originates within a router such as pings from a command prompt, remote access from a router to another device, or routing updates are not affected by outbound access lists.