CCNA Flash Cards 2023
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95 Terms
What is the range of well known port numbers?
0 to 1023
3 multiple choice options
What is the range of registered port numbers?
1024 to 49151
3 multiple choice options
What is the valid range of VLAN numbers
1 to 4094
3 multiple choice options
FTP
TCP port 20
TCP port 21
3 multiple choice options
Telnet
TCP port 23
3 multiple choice options
SMTP
TCP port 25
3 multiple choice options
HTTP
TCP port 80
2 multiple choice options
POP3
TCP port 110
3 multiple choice options
HTTPS (Secure HTTP)
TCP port 443
3 multiple choice options
TFTP
UDP port 69
1 multiple choice option
RADIUS Authentication Protocol
UDP port 1812
DNS
TCP and UDP port 53
1 multiple choice option
SNMP
Agents: UDP port 161
NMS: UDP port 162
Chef
TCP 10002
3 multiple choice options
What are the levels of the Syslog messages?
0 - Emergency
1 - Alert
2 - Critical
3 - Error
4 - Warning
5 - Notice
6 - Informational
7 - Debugging
Every Awesome Cisco Engineer Will Need Information Daily
Puppet
TCP 8140
3 multiple choice options
What is 172 in binary
10101100
3 multiple choice options
What is 192 in binary
11000000
3 multiple choice options
What is 168 in binary
10101000
3 multiple choice options
What is the administrative distance of a Directly Connected route?
0
3 multiple choice options
What is the administrative distance of a static route?
1
3 multiple choice options
What is the administrative distance of EIGRP
90
3 multiple choice options
What is the administrative distance of OSPF
110
3 multiple choice options
What is the administrative distance of IS-IS
115
3 multiple choice options
What is the administrative distance of RIP
120
3 multiple choice options
What is the administrative distance of an unknown route
255
3 multiple choice options
What are the 2 modes for PAgP
Auto & Desirable
What are the 2 modes for LACP
Active & Passive
What is the mode that enables EtherChannel
On & On
What IEEE standard supports native VLANs & trunking?
802.1Q
What IEEE standard supports regular STP?
802.1D
What IEEE standard supports rapid STP?
802.1W
What IEEE standard supports LACP?
802.3ad
NTP
UDP port 123
What is the IEEE standard for LLDP?
802.1AB
Which frequency band(s) does the 802.11ac (Wi-Fi 5) standard operate on?
5GHz
Which frequency band(s) does the 802.11ax (Wi-Fi 6) standard operate on?
2.4GHz, 5GHz and 6GHz
Which frequency band(s) does the 802.11g standard operate on?
2.4GHz
Which frequency band(s) does the 802.11a standard operate on?
5GHz
Which frequency band(s) does the 802.11n (Wi-Fi 4) standard operate on?
2.4GHz and 5GHz
Which frequency band(s) does the 802.11b standard operate on?
2.4GHz
What's the IPv6 multicast address space?
FF00::/8
What's the IPv6 unique local address space?
FC00::/7
What's the global unicast IPv6 address space?
2000::/3
What's the IPv6 link local address prefix?
FE80::/64
What's the IPv6 loopback address
::1/128
How is an EUI-64 address generated?
Split MAC address, insert FFFE in the middle and invert 7th bit.
What's the default STP bridge priority value?
32768
What are the modes for DTP
access, trunk, dynamic auto, dynamic desirable
What are the modes for VTP
server, client, transparent
What plane is in the Southbound Interface
Data/Forwarding Plane
What plane is in the Northbound Interface
Control Plane
Which FHRP uses a virtual MAC address of 0000.5e00.01xx
VRRP
3 multiple choice options
Which FHRP uses a virtual MAC address of 0007.b400.xxyy
GLBP
3 multiple choice options
Which FHRP uses virtual MAC addresses of 0000.0C07.ACxx & 0000.0C9F.Fxxx
HSRP
3 multiple choice options
What is the DSCP marking value for voice traffic?
46 - EF
What is the recommended COS value for voice traffic?
5
1 multiple choice option
what wireless QOS profile is good for video traffic?
Gold
3 multiple choice options
what wireless QOS profile is good for voice traffic?
Platinum
3 multiple choice options
what is the default QOS profile that provides best-effort delivery?
Silver
3 multiple choice options
What is the range of standard ACLs?
1-99 and 1300-1999
in NAT, which IP is the host from the perceptive of the local network?
Inside Local
in NAT, which IP is the host from the perceptive of the outside network & hosts?
Inside Global
What encoded languages are used for REST APIs?
JSON & XML
What HTTP method creates a new variable
POST
3 multiple choice options
What HTTP method retrieves (read) the valuable of a variable
GET
3 multiple choice options
What HTTP method changes (update) the valuable of a variable
PUT /PATCH
3 multiple choice options
What HTTP method deletes a variable
DELETE
3 multiple choice options
What is the default CDP message runtime & hold time?
60/180 seconds
What is the default LLDP message runtime & hold time?
30/120 seconds
Which configuration tool uses SSH to connect to managed devices and uses Playbooks to manage tasks that's written in YAML?
Ansible
3 multiple choice options
Which configuration tool is written in Ruby to pull device configurations by using Manifest?
Puppet
3 multiple choice options
Which configuration tool is written in Ruby to pull device configurations by using Cookbooks?
Chef
3 multiple choice options
What are the OSPF neighbor states?
1. Down
2. Init
3. 2-way
4. Exstart
5. Exchange
6. Loading
7. Full
IT ELF
Init Two-way Extart/Exchange Loading Full
What is the default reference bandwidth & cost in OSPF
100 mbps/10
What wireless QOS profile provides the lowest bandwidth & is typically used for guest services?
Bronze
3 multiple choice options
What are the 2 factors that calculate the metric of EIGRP?
Lowest bandwidth
The sum of delays
What's the purpose of a floating static route?
To provide a backup route (redundancy) to multiple interfaces/networks on a router
How many octets of a MAC address represent the OUI?
3
3 multiple choice options
What is another name for a hypervisor?
VMM (Virtual Machine Monitor)
1 multiple choice option
A company licenses an office suite including email service, that is delivered to the end user through a web browser. What type of service does this represent?
SaaS (Software as a Service)
2 multiple choice options
What factors about FlexConnect ACLs are true?
They are supported on the native VLAN
They Cannot be configured with a per-rule direction
They are applied per AP & per VLAN
2 multiple choice options
What are the functions performed by a WLC in a split-MAC deployment
Authentication
Resource reservation
3 multiple choice options
What encryption protocol is used for WPA2 & WPA3?
AES
3 multiple choice options
Which plane is centralized on an SDN network?
Control Plane
3 multiple choice options
Which southbound API is Cisco proprietary?
OnePK
3 multiple choice options
What is the default port security violation mode that shuts the port down when an unauthorized MAC address is detected?
Shutdown
3 multiple choice options
Which port security violation mode discards traffic from unauthorized MAC addresses, and increments the violation counter by 1 for each unauthorized frame that's entered?
Restrict
3 multiple choice options
Which port security violation mode that only discards traffic from unauthorized MAC addresses?
Protect
3 multiple choice options
What's the IPv6 multicast address that routes to all nodes/hosts in the subnet?
FF02::1
What's the IPv6 multicast address that routes to all routers in the subnet?
FF02::2
What's the IPv6 link-local multicast address space?
FF02::/16
What is the default OSPF network type and interfaces?
Broadcast
Ethernet
FDDI
2 multiple choice options
What is the OSPF network type and interfaces that use serial cables, and does not participate in DR/BDR elections?
Point-to-Point
PPP
HDLC (default)
2 multiple choice options
What is the OSPF network type and interfaces that has a hello/dead timer of 30/120 seconds?
Non-Broadcast
Frame Relay
X.25
2 multiple choice options
