| To help you prepare for total success on | | | | prevent that from happening. (After you |
| your Cisco certification exams, here's a | | | | stop yelling at the router, that is.) |
| new set of CCNA, CCNP, Security, and | | | | By configuring the logging synchronous |
| CCENT practice exam questions! Answers | | | | command on the console port, you're |
| are at the bottom of the page. Enjoy! | | | | telling the router to hold such messages |
| CCNA Certification: | | | | until it detects no input from the |
| What command results in the following | | | | keyboard and no other output from the |
| output? | | | | router, such as a show command's output. |
| R3# | | | | R1(config)#line console 0 |
| 00:11:37: RIP: received v2 update from | | | | R1(config-line)#logging ?synchronous |
| 172.12.123.1 on Serial0 | | | | Synchronized message output |
| 00:11:37: 172.12.123.0/24 via 0.0.0.0 in | | | | CCNA Security / CCNP ISCW Exam: Answer: |
| 1 hops | | | | The options are High, Medium, and Low. |
| CCENT Certification: | | | | In the Basic Firewall Wizard, you cannot |
| What's the basic purpose of the logging | | | | create your own custom security levels, |
| synchronous command? | | | | but you can do so in the Advanced |
| CCNA Security Certification / CCNP ISCW | | | | Wizard. |
| Exam: | | | | CCNP BSCI Answer: By default, EIGRP |
| When configuring a basic firewall in | | | | uses up to 50 percent of a given |
| SDM, what are the three options for the | | | | interface's bandwidth. If you wish to |
| preconfigured security levels? Can you | | | | change this default, it can be done with |
| create your own custom security levels? | | | | the interface-level command ip |
| CCNP Certification / BSCI Exam: | | | | bandwidth-percent eigrp. |
| In the following output, describe.... | | | | R1(config)#int s0 |
| 1. Why we would use this command in the | | | | R1(config-if)#ip bandwidth-percent eigrp |
| first place | | | | ? |
| 2. The meaning of "100" | | | | Autonomous system number |
| 3. The meaning of "300" | | | | R1(config-if)#ip bandwidth-percent eigrp |
| 4. The default setting for this | | | | 100 ? |
| particular value, and what we're | | | | Maximum bandwidth percentage that EIGRP |
| changing it to. | | | | may use |
| R1(config-if)#ip bandwidth-percent eigrp | | | | R1(config-if)#ip bandwidth-percent eigrp |
| 100 300 | | | | 100 300 |
| CCNP Certification / BCMSN Exam: | | | | I am showing you this command's values |
| What router redundancy protocol is | | | | with IOS Help to remind you that you |
| defined by RFC 2281? | | | | should develop the habit of always |
| CCNP / ONT Exam: | | | | taking a few extra seconds to check the |
| IntServ uses RSVP, but DiffServ does | | | | values - because in this command, the |
| not. What does DiffServ use in place of | | | | values look really strange. How in the |
| RSVP? | | | | world can I set EIGRP 100 to use 300% of |
| Here are the answers! | | | | an interface's bandwidth? And why would |
| CCNA: Answer: That's the output of | | | | I ever do that? |
| debug ip rip. | | | | There is always the chance that the |
| CCENT: Answer: When the router wants | | | | actual physical speed of the interface |
| you to know something, it wants you to | | | | exceeds the logical setting. You could |
| know right now. If the router sends a | | | | take an interface with a 512 kbps |
| message to the console while you're | | | | interface and give it a logical setting |
| entering a command, by default the | | | | of 56 kbps. |
| router will interrupt your work to show | | | | If you then wanted the line to allow |
| you this message. | | | | EIGRP to use 168 kbps of the physical |
| In the following example, I opened a | | | | bandwidth, you'd set the |
| Serial interface, which will always | | | | bandwidth-percent value to 300, which |
| result in at least two messages relating | | | | allocates 300% of 56kbps to EIGRP |
| to the physical and logical state of the | | | | traffic - which is 3 x 56, or 168. |
| interface. I started typing a sentence | | | | I know it sounds crazy, so here's the |
| immediately after I opened the interface | | | | proof that you can actually do this: |
| to show you what happens. I've bolded | | | | R3(config)#interface serial0 |
| the sentence I was entering. | | | | R3(config-if)#bandwidth 56 |
| R1(config)#int s0 | | | | R3(config-if)#ip bandwidth-percent eigrp |
| R1(config-if)#no shut | | | | ? |
| R1(config-if)#^Z | | | | Autonomous system number |
| R1#so here i am | | | | R3(config-if)#ip bandwidth-percent eigrp |
| 4d04h: %SYS-5-CONFIG_I: Configured from | | | | 100 ? |
| console by consoletyp | | | | Maximum bandwidth percentage that EIGRP |
| 4d04h: %LINK-3-UPDOWN: Interface | | | | may use |
| Serial0, changed state to uping and | | | | R3(config-if)#ip bandwidth-percent eigrp |
| 4d04h: %LINEPROTO-5-UPDOWN: Line | | | | 100 300 |
| protocol on Interface Serial0, changed | | | | BCMSN: Answer: Our old friend HSRP - |
| state to upi've been interrupted quite | | | | the Hot Standby Routing Protocol. |
| badly! | | | | ONT: Answer: DiffServ uses PHB - |
| 4d04h: %LINEPROTO-5-UPDOWN: Line | | | | Per-Hop Behavior. |
| protocol on Interface Serial0, changed | | | | Look for more Cisco certification exam |
| state to down | | | | practice question sets and |
| This may seen trivial, but when you have | | | | fully-illustrated tutorials on my |
| a long command entry interrupted by a | | | | website as well as the one you're on |
| console message, you'll wonder how to | | | | right now! |