Juniper JN0-105クラムメディア｜ニーズに注目するJN0-105資料勉強
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生活で他の人が何かやったくれることをいつも要求しないで、私が他の人に何かやってあげられることをよく考えるべきです。職場でも同じです。ボスに偉大な価値を創造してあげたら、ボスは無論あなたをヘアします。これに反して、あなたがずっと普通な職員だったら、遅かれ早かれ解雇されます。ですから、IT認定試験に受かって、自分の能力を高めるべきです。 ShikenPASSのJuniperのJN0-105「Junos, Associate (JNCIA-Junos)」試験問題集はあなたが成功へのショートカットを与えます。IT 職員はほとんど行動しましたから、あなたはまだ何を待っているのですか。ためらわずにShikenPASSのJuniperのJN0-105試験トレーニング資料を購入しましょう。
Juniper JN0-105 認定試験の出題範囲：
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出題範囲
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JN0-105資料勉強、JN0-105日本語版問題解説
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Juniper Junos, Associate (JNCIA-Junos) 認定 JN0-105 試験問題 (Q93-Q98):
質問 # 93
Which two statements about firewall filters are correct? (Choose two.)
正解：A、C
解説：
Firewall filters in Junos OS are stateless, meaning they process each packet individually without regard to the state of a connection or sequence of packets. These filters can match various packet attributes, including those at Layer 4, such as TCP and UDP port numbers. This allows for granular control over traffic based on the type of service or application. Unlike stateless filters, stateful firewalls keep track of the state of active connections and make decisions based on the context of the traffic flow, which is not a capability of Junos firewall filters.
Additionally, Junosfirewall filters primarily operate up to Layer 4 and do not natively inspect Layer 7 parameters, which involve application-level data.
質問 # 94
Click the Exhibit button.
How is traffic, sourced from 10.0.0.0/8, treated by the firewall filter shown in the exhibit?
正解：D
解説：
The firewall filter configuration in the exhibit specifies a filter with two terms. Term 1 matches traffic from the source address 10.0.0.0/8 and has two actions: 'log' and 'next term'. The 'log' action will record the match to a log file, and 'next term' indicates that the firewall should evaluate the next term after logging. There is no explicit action such as 'accept' or 'reject' in term 1, so by default, the traffic will be accepted unless subsequently rejected by another term.
Term 2 has the action 'reject', which discards packets that reach this term. Since there is no 'from' condition in term 2, it acts as a default rule for all traffic not matched by term 1.
Because the traffic sourced from 10.0.0.0/8 matches term 1 and there is no reject action in that term, it will be logged and then accepted by the firewall filter. There is no subsequent term that rejects this specific traffic, so the action from term 2 does not apply to it.
質問 # 95
How many rescue configuration files are supported on a Junos device?
正解：A
解説：
Junos OS supports only 1 rescue configuration file on a device. This rescue configuration is a safeguard feature that allows network administrators to revert to a known good configuration in case of a configuration error or issue, ensuring network stability.
In Junos OS, each device supports only one rescue configuration file. The rescue configuration is a specific configuration that can be saved and later retrieved if needed. This is used as a fallback configuration that you know works and can be applied in case of an emergency or if the current configuration has issues.
Reference:
"You can create a rescue configuration file by using the request system configuration rescue save operational mode command. Each Junos OS device can have only one rescue configuration file."
質問 # 96
Exhibit
policy-options { policy-statement Load-Balance-Policy { term Load-Balance { then { load-balance per-flow; accept;
}
}
}
}
routing-options {
router-id 192.168.100.11; autonomous-system 65201; forwarding-table {
export Load-Balance-Policy;
Referring to the exhibit, which two statements are correct? (Choose two.)
正解：A、B
解説：
The load-balance per-flow statement in the Junos OS policy-options configuration enables flow-based load balancing in the forwarding table. This means that the traffic is distributed across multiple paths based on flows, where a flow is typically identified by attributes such as source and destination IP addresses, and possibly layer 4 information like TCP/UDP ports. This allows for more granular and efficient utilization of available paths, avoiding overloading a single path. The policy does not enable per-packet load balancing, which would send individual packets of the same flow over different paths, potentially causing out-of-order delivery issues. The policy's placement in the forwarding-table export suggests it's intended to influence forwarding behavior, not just routing protocol decisions, and does not necessarily have to be applied under the protocols hierarchy.
質問 # 97
Which two statements describe the result when you enter? at the command-line prompt? (Choose two.)
正解：C、D
解説：
When you enter ? at the command-line prompt in Junos OS, the system provides assistance in two significant ways. Firstly, it lists the available commands and options that can be used at the current point in the command hierarchy, aiding users in understanding what commands they can execute next. Secondly, it displays summary information about those commands and options, providing brief descriptions or additional context that can help users understand the function of each command or option. This feature is particularly useful for learning the command structure or for quick reference when specific command syntax is forgotten.
質問 # 98
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